22787343150
domain: N
Appears in sequences
- a(n) = (3*n)! / ((n+1)*(n!)^3).at n=9A007004
- Late-growing permutations: number of permutations of 9 indistinguishable copies of 1..n with every partial sum <= the same partial sum averaged over all permutations.at n=2A147697
- Number of permutations of 0..floor((n*3-1)/2) on even squares of an n X 3 array such that each row and column of even squares is increasing.at n=17A215287
- Number of permutations of 0..floor((n*3-2)/2) on odd squares of an n X 3 array such that each row and column of odd squares is increasing.at n=17A215294
- Greatest 4th-power-free divisor of n!at n=27A248766