cp's OEIS Frontend

A216643 Number of nondecreasing arrays of n 1..n integers with the sum of their 5th powers equal to sum(i^5,i=1..n).

%I A216643 #5 Jun 02 2025 08:08:14
%S A216643 1,1,1,1,1,1,1,1,1,1,1,2,4,8,21,45,159,483,1397,4252,12860
%N A216643 Number of nondecreasing arrays of n 1..n integers with the sum of their 5th powers equal to sum(i^5,i=1..n).
%C A216643 Column 5 of A216645
%e A216643 All solutions for n=12
%e A216643 ..1....2
%e A216643 ..2....3
%e A216643 ..3....3
%e A216643 ..4....3
%e A216643 ..5....5
%e A216643 ..6....5
%e A216643 ..7....6
%e A216643 ..8....8
%e A216643 ..9...10
%e A216643 .10...11
%e A216643 .11...11
%e A216643 .12...11
%K A216643 nonn
%O A216643 1,12
%A A216643 _R. H. Hardin_ Sep 11 2012