48145
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=18A126155
- Symmetric triangle, read by rows of 2*n+1 terms, similar to triangle A008301. Second term 5 times first term.at n=22A126155
- E.g.f.: Product_{k>0} (1+x^k)^(-1/k).at n=8A294356
- Number of ways to tile a 2 X n strip with squares and P-shaped pentominos.at n=16A345953