22239
domain: N
Appears in sequences
- Number of multigraphs with loops on 4 nodes with n edges.at n=13A050532
- Triangle, read by rows, where row n equals row n of matrix power A132844^n for n>=0, where triangle A132844 is defined by: A132844(n,k) = T( [(n+k)/2], k) for n>=k>=0.at n=49A132845
- Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w^3<x^3+y^3.at n=33A211801
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 478", based on the 5-celled von Neumann neighborhood.at n=36A272453
- Expansion of Product_{k>=1} (1 + x^(2*k-1))^(k*(3*k-1)/2)*(1 + x^(2*k))^(k*(3*k+1)/2).at n=15A294839
- Numbers without a digit 1 with digits in nondecreasing order and the product of digits is a power of 6.at n=21A304392
- Numbers k with digits in nondecreasing order and each digit greater than 1 such that the iterated product of digits of k is a prime.at n=49A333955
- a(n) = number of isogeny classes of abelian surfaces over the finite field of order prime(n).at n=37A362198
- Number of permutations of length n avoiding the pattern 1324 and with 1 appearing before n.at n=7A372310