54912

Appears in sequences

• Number of rooted bicubic maps: a(n) = (8*n-4)*a(n-1)/(n+2) for n >= 2, a(0) = a(1) = 1.at n=8A000257
• Number of rooted planar cubic maps with 2n vertices.at n=5A002005
• Number of ways of getting a royal flush, other straight flush, 4 of a kind, full house, other flush, other straight, 3 of a kind, 2 pair, a pair or nothing in 5-card poker.at n=6A002761
• Number of ways of getting nothing, a pair, 2 pair, 3 of a kind, other straight, other flush, full house, 4 of a kind, other straight flush, or a royal flush in 5-card poker.at n=3A002806
• Number of ways of getting a straight flush, 4 of a kind, full house, flush, straight, 3 of a kind, 2 pair, a pair, no pair in poker.at n=5A002847
• Expansion of exp(x)/cosh(tan(x)).at n=10A009297
• Theta series of A*_12 lattice.at n=37A023924
• Number of nonempty subsets of {1,2,...,n} in which exactly 5/6 of the elements are <= (n-2)/2.at n=28A047192
• a(0) = 0; for n >= 1, a(n) = 2^(n-1)*C(n-1), where C(n) = A000108(n) Catalan numbers, n>0.at n=8A052701
• Number of ways of getting 5 of a kind, a straight flush, 4 of a kind, full house, flush, straight, 2 pair, 3 of a kind, a pair in wild-card poker with 2 jokers.at n=7A057800
• Number of ways of getting 5 of a kind, a straight flush, 4 of a kind, full house, flush, straight, 2 pair, 3 of a kind, a pair in wild-card poker with 1 joker.at n=7A057801
• A transform of C(n,7).at n=6A082141
• First subdiagonal of number array A082137.at n=6A082143
• Number of unrooted Eulerian maps with bicolored faces which are self-isomorphic under reversing the colors.at n=14A090375
• Square array T(n,k), read by antidiagonals: number of labeled trees, with increments of labels along edges constrained to +-1, with n nodes that have no label greater than k.at n=44A101477
• Riordan array (1-u, u) where u=(-1 + sqrt(1+8*x))/4.at n=36A110292
• Riordan array (1, x*c(2x)), c(x) the g.f. of A000108.at n=37A110510
• Triangle T(n,k) = binomial(2*n,k) *binomial(2*n-2*k,n-k), read by rows; 0<=k<=n.at n=37A142243
• Number of walks within N^2 (the first quadrant of Z^2) starting at (0, 0), ending on the vertical axis and consisting of 2n steps taken from {(-1, -1), (-1, 0), (1, 1)}.at n=7A151374
• Numbers with prime factorization pqrs^7.at n=11A190473