20703
domain: N
Appears in sequences
- a(n) = n^4 + (9/2)*n^3 + n^2 - (9/2)*n + 1.at n=11A003878
- Number of partitions of n with more odd parts than even parts.at n=38A108950
- a(n) = a(n-1) - 9*a(n-2), a(0) = 1, a(1) = 3.at n=9A133665
- Ceiling(n*exp(cot n)).at n=40A134896
- Maximum number of points visible from some point in a cubic n x n x n lattice.at n=28A141227
- Number of rooted identity trees with n nodes and exactly 4 subtrees from the root.at n=10A227808
- a(n) = floor(n! / 4^n).at n=17A228449
- Number of strict partitions of 2n + 1 having an ordering of the parts in which no two neighboring parts have the same parity.at n=36A239883
- a(n) = 3*(3*n+1)*(9*n+8)/2.at n=22A304504