141120

Appears in sequences

• Lah numbers: a(n) = (n-1)*n!/2.at n=6A001286
• Lah numbers: a(n) = n!*binomial(n-1,2)/6.at n=7A001754
• Largest number in n-th row of triangle of Lah numbers (A008297 and A271703).at n=8A002868
• Triangle of Lah numbers.at n=29A008297
• Triangle of Lah numbers.at n=30A008297
• Theta series of {D_9}* lattice.at n=56A008424
• Theta series of D_9 lattice.at n=7A008431
• Theta series of {D_9}^{+} packing.at n=56A008436
• Number of ways of writing n as a sum of 9 squares.at n=14A008452
• Triangle of numbers T(n,k) = k!*Stirling2(n,k) read by rows (n >= 1, 1 <= k <= n).at n=34A019538
• Numbers k such that sigma(k) >= 4*k.at n=22A023198
• Triangle giving coefficients of (n+1)!*B_n(x), where B_n(x) is a Bernoulli polynomial. Rising powers of x.at n=33A048998
• Triangle giving coefficients of (n+1)!*B_n(x), where B_n(x) is a Bernoulli polynomial, ordered by falling powers of x.at n=30A048999
• Number of labeled 3-constrained functional graphs.at n=3A052505
• A simple context-free grammar in a labeled universe: labeled version of A000245.at n=7A052741
• Expansion of e.g.f. log(-1/(-1+x))^4*x.at n=8A052770
• Expansion of e.g.f. (1-2*x)^(-x).at n=7A053491
• Number of positive integers <= 2^n of form 5 x^2 + 8 y^2.at n=21A054178
• Triangle T(n,k) (0 <= k <= n) giving number of edges in the "flip graph" whose nodes are tilings of the k-dimensional zonotope constructed from n vectors.at n=37A060638
• Coefficient triangle of generalized Laguerre polynomials (a=1).at n=30A066667