Édition du: 30/12/2019 |
INDEX |
Combinatoire – Factorielle |
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Factorielles OSCILLANTES Fractions de
factorielles |
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Sommaire de cette page >>> Définition
et liste |
Débutants Glossaire |
Nombres
tels que: |
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Liste |
[1, 1],
[2, 2], [3, 6], [4, 6], [5, 30], [6,
20], [7, 140],
[8, 70],
[9, 630],
[10, 252],
[11,
2772], [12, 924], [13, 12012], [14, 3432], [15, 51480], [16,
12870], [17, 218790], [18, 48620], [19, 923780], [20, 184756], [21,
3879876], [22, 705432], [23, 16224936], [24, 2704156], [25,
67603900], [26, 10400600], [27, 280816200], [28, 40116600], [29,
1163381400], [30, 155117520], [31, 4808643120], [32, 601080390], [33,
19835652870], [34, 2333606220], [35, 81676217700], [36, 9075135300], [37,
335780006100], [38, 35345263800], [39, 1378465288200], [40, 137846528820],
[41, 5651707681620], [42, 538257874440], [43, 23145088600920], [44,
2104098963720], [45, 94684453367400], [46, 8233430727600], [47,
386971244197200], [48, 32247603683100], [49, 1580132580471900], [50,
126410606437752], … |
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Anglais: Swinging factorial
Retour |
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Suite |
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Voir |
Liens en haut de page Familiarisation avec les factorielles Divisibilité des produits de
différences |
Sites |
OEIS A056040 – Swinging factorial, a(n) = 2^(n-(n mod 2))*Product_{k=1..n}
k^((-1)^(k+1)) |
Cette page |