A269938 Row sums of A268434.

1, 1, 3, 21, 269, 5501, 164871, 6826353, 373877161, 26202082729, 2288805048251, 243958190401341, 31176599353144853, 4706999020319020101, 829102910675624591839, 168548158717259440652601, 39174415082612704149839761, 10324151597447856368055425553, 3062691062053211798175516784691

Offset: 0

Author

Peter Luschny, Mar 08 2016

Keywords

• nonn

Crossrefs

Cf. A268434.

Programs

Maple

A269938 := proc(n) local T; T := proc(n, k) option remember;
if n=k then 1 elif k<0 or k>n then 0 else T(n-1,k-1)+((n-1)^2+k^2)*T(n-1,k) fi end: add(T(n, k), k=0..n) end: seq(A269938(n), n=0..18);