Column 2 of triangle A113360, also equals column 1 of A113340^5.
A113362
Column 2 of triangle A113360, also equals column 1 of A113340^5.
Terms
- a(0) =1a(1) =15a(2) =210a(3) =3285a(4) =59395a(5) =1241270a(6) =29720808a(7) =806720492a(8) =24568601477a(9) =831697990069
External references
- oeis: A113362