Row sums of triangle A035342 and array A134144.
A049118
Row sums of triangle A035342 and array A134144.
Terms
- a(0) =1a(1) =4a(2) =25a(3) =211a(4) =2236a(5) =28471a(6) =422899a(7) =7173580a(8) =136750051a(9) =2893057381a(10) =67241818876
External references
- oeis: A049118