136385
domain: N
Appears in sequences
- Number of planar triangular n X n X n nonnegative integer grids with mirror symmetry about one altitude with every similarly oriented 5 X 5 X 5 subtriangle summing to 11.at n=5A154084
- Expansion of (1+x)*(1-x)/(1 - x + x^2 + x^3).at n=40A180735
- Total sum of the left-to-right maxima in all compositions of n into distinct parts.at n=25A336771