The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #5 Apr 06 2026 09:46:28
%S 1,3,22,421,15806,965599,86783908,10762423433,1760139839890,
%T 366963132246211,94986120910852304,29885092163103515053,
%U 11231861500887280969678,4969797579946642622052455,2557170899273715656424860716,1513955937348335077112132690449,1021885751416723450814790851481098
%N Row sums of A394783.
%t A394783[n_,k_]:=n^(k-1)(k-1)!; a[n_]:=Sum[A394783[n,k],{k,n}]; Array[a,17]
%Y Cf. A394783.
%K nonn
%O 1,2
%A _Stefano Spezia_, Apr 01 2026