282240

Appears in sequences

• Expansion of e.g.f. arctan(log(x+1) - arctan(x)).at n=10A013249
• The number of permutations of n cards in which 2 is the first card hit and 3 the next hit after 2.at n=8A018931
• Number of reversible strings with n labeled beads of 2 colors, no palindromes of more than 1 bead.at n=6A032069
• Triangle read by rows: T(n,k) = n!*k.at n=34A051683
• E.g.f. 1/(1-x-x^4).at n=8A052593
• E.g.f. (1-x)/(1-x-x^3-x^4+x^5).at n=8A052651
• Triangle T(n,k) (0 <= k <= n) with e.g.f. exp(x*y/(1-y)).at n=63A059286
• a(n) = 7 * n!.at n=7A062098
• a(n) = n! * (n-1).at n=7A062119
• Number of endofunctions on n labeled points constructed from k rooted trees.at n=34A066324
• Triangle T(n,k) (n >= 2, 1 <= k <= n) read by rows: number of linearly inducible orderings of n points in k-dimensional Euclidean space.at n=34A071223
• Commuting even permutations: number of ordered pairs g, h in the alternating group A_n such that gh = hg.at n=7A073584
• Triangle of coefficients of Bateman polynomial n!Z_n(-x).at n=29A073768
• Number of commuting elements: number of ordered pairs g, h in the group GL(n,2) such that gh = hg.at n=3A073960
• Coefficients of the polynomials in the numerator of 1/(1+x^2) and its successive derivatives, starting with the constant term.at n=33A076256
• Coefficients of the polynomials in the numerator of 1/(1+x^2) and its successive derivatives, starting with the coefficient of the highest power of x.at n=30A076257
• Nonzero coefficients of the polynomials in the numerator of 1/(1+x^2) and its successive derivatives, starting with the constant term.at n=18A076741
• Nonzero coefficients of the polynomials in the numerator of 1/(1+x^2) and its successive derivatives, starting with the highest power of x.at n=17A076743
• Coefficients of the polynomials in the numerator of the generating function x/(1-x-x^2) for the Fibonacci sequence and its successive derivatives starting with the highest power of x.at n=38A078991
• Nonzero coefficients of the polynomials in the numerator of the generating function x/(1-x-x^2) for the Fibonacci sequence and its successive derivatives starting with the highest power of x.at n=30A078992