Row sums of unsigned triangle A136656 and also of triangle 2*A136657.
A136658
Row sums of unsigned triangle A136656 and also of triangle 2*A136657.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =68a(4) =580a(5) =5912a(6) =69784a(7) =933200a(8) =13912336a(9) =228390560a(10) =4088594464a(11) =79186453568
External references
- oeis: A136658