Column 0 of triangle A113355, which is the matrix square of A113350.
A113356
Column 0 of triangle A113355, which is the matrix square of A113350.
Terms
- a(0) =1a(1) =4a(2) =18a(3) =112a(4) =965a(5) =10957a(6) =156699a(7) =2727793a(8) =56306695a(9) =1350043964a(10) =36979531548
External references
- oeis: A113356