180265
domain: N
Appears in sequences
- 4-dimensional analog of centered polygonal numbers.at n=29A006322
- Triangle read by rows, arising in enumeration of permutations by cyclic valleys, cycles and fixed points.at n=21A217202
- First column of A217202.at n=9A217203
- Triangle read by rows, related to Bell numbers A000110: A216963 interlaced with A217202.at n=46A217205