5126905
domain: N
Appears in sequences
- Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 5 times first term.at n=29A126155
- Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 5 times first term.at n=31A126155
- Secondary diagonal of symmetric triangle A126155: a(n) = A126155(n+1,n).at n=4A126158