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Global online database of covering designs.

Published: January 15, 2026, 9:03 am

These pages are for global mathematical work. Contain online databases of covering designs.

https://www.dmgordon.org/
https://www.coveringrepository.com
https://lottodesigns.altervista.org/
https://www.dcode.fr/covering-design-lottery
https://lasistemisticalotto.blogspot.com/
https://www.loto-sistemi-svetam.rs/category/arhiva-sistema/

https://web.archive.org/web/20170928220227/http://www.weefs-lottosysteme.de/systeme,en.htm
website has gone down (dead)

https://forum.multipasko.pl/5156
https://mathoverflow.net/questions/67334/a-generalization-of-covering-designs-and-lottery-wheels
https://www.researchgate.net/publication/383091215_On_the_Lottery_Problem_Tracing_Stefan_Mandel%27s_Combinatorial_Condensation
https://nerdland.net/the-lottery-problem/an-introduction-to-the-lottery-problem/
https://arxiv.org/pdf/2408.06857
https://www.sciencedirect.com/science/article/pii/S0166218X04001180
https://thehustle.co/the-man-who-won-the-lottery-14-times-part-1
https://www.collectionscanada.gc.ca/obj/s4/f2/dsk3/MWU/TC-MWU-105.pdf
https://www.researchgate.net/publication/2450006_Lotto_Designs
https://www.naspl.org/history-of-the-industry
https://www.smartluck.com/gailhoward-lottery-bio.htm
https://www.timersoft.com/2024/11/25/the-evolution-of-lottery-software-a-brief-history/
https://ljcr.dmgordon.org/cover/table.html
https://www.math.ucdavis.edu/~deloera/MISC/LA-BIBLIO/trunk/Kuperberg/Kuperberg5.pdf
https://math.libretexts.org/Bookshelves/Combinatorics_and_Discrete_Mathematics/Combinatorics_(Walker)/02%3A_Combinatorics/2.04%3A_Combinations_and_the_Binomial_Theorem
https://www.combinatorics.org/ojs/index.php/eljc/article/view/v27i3p56
https://lotterycodex.com/lottery-formula/
https://math.libretexts.org/Bookshelves/Probability_Theory/Probability_and_Odds_(Johnk)/04%3A_Probability_and_Odds/4.04%3A_Expected_Value
http://www.mchip.net/fetch.php/u506FA/246599/Combinatorial%2520Lottery%2520Systems%2520Wheels%2520With%2520Guaranteed%2520Wins.pdf
https://cp-algorithms.com/combinatorics/inclusion-exclusion.html

Entry #697

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