Column 0 of triangle A113345, also equals column 0 of A113350.
A113346
Column 0 of triangle A113345, also equals column 0 of A113350.
Terms
- a(0) =1a(1) =2a(2) =5a(3) =19a(4) =113a(5) =966a(6) =10958a(7) =156700a(8) =2727794a(9) =56306696a(10) =1350043965a(11) =36979531549
External references
- oeis: A113346