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A269938 Row sums of A268434. 2

%I #12 Mar 29 2016 05:21:21

%S 1,1,3,21,269,5501,164871,6826353,373877161,26202082729,2288805048251,

%T 243958190401341,31176599353144853,4706999020319020101,

%U 829102910675624591839,168548158717259440652601,39174415082612704149839761,10324151597447856368055425553,3062691062053211798175516784691

%N Row sums of A268434.

%p A269938 := proc(n) local T; T := proc(n, k) option remember;

%p 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);

%Y Cf. A268434.

%K nonn

%O 0,3

%A _Peter Luschny_, Mar 08 2016

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)