110550
domain: N
Appears in sequences
- a(n) = (2*n-1)*(3*n-1)*(4*n-1).at n=17A033589
- A sequence derived from pentagonal numbers, or a Stirling number of the first kind matrix.at n=32A094952
- Number of n X 4 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, rows lexicographically nondecreasing, and columns lexicographically nonincreasing.at n=9A229424