26379
domain: N
Appears in sequences
- Number of n-celled polyknights (polyominoes connected by knight's moves).at n=6A030446
- Triangle of z Transform coefficients from General Pascal [1,8,1} A142458 polynomials multiplied by factor 3^Floor[(2*k - 1)/3].at n=24A167786
- a(n) = Sum_{i=0..n} digsum_9(i)^4, where digsum_9(i) = A053830(i).at n=22A231687
- Number of compositions of n avoiding the pattern (1,2,1).at n=21A335471