Column 2 of triangle A113374, also equals column 0 of A113381^7.
A113377
Column 2 of triangle A113374, also equals column 0 of A113381^7.
Terms
- a(0) =1a(1) =14a(2) =252a(3) =5957a(4) =179270a(5) =6641502a(6) =294524076a(7) =15285260326a(8) =911664081027
External references
- oeis: A113377