a(n) = Sum_{k=0..n} |Stirling1(n+k,2*k)|.
A392744
a(n) = Sum_{k=0..n} |Stirling1(n+k,2*k)|.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =22a(4) =157a(5) =1368a(6) =13995a(7) =163779a(8) =2152349a(9) =31326760a(10) =499539900a(11) =8651755865a(12) =161591063250
External references
- oeis: A392744