129177
domain: N
Appears in sequences
- a(n) = Sum_{k <= n/2 } binomial(n-2k, 3k+1).at n=24A137357
- Number of (n+1) X (1+1) arrays of permutations of 0..n*2+1 with each element having directed index change -2,0 -1,0 0,-1 or 1,1.at n=35A264622
- Partial sums of A299272.at n=46A299273
- Number of compositions of 5*n-1 into parts 3 and 5.at n=14A369846