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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) 0

%I

%S 1,1,1,1,1,1,1,1,1,1,1,2,4,8,21,45,159,483,1397,4252,12860

%N 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 Column 5 of A216645

%e All solutions for n=12

%e ..1....2

%e ..2....3

%e ..3....3

%e ..4....3

%e ..5....5

%e ..6....5

%e ..7....6

%e ..8....8

%e ..9...10

%e .10...11

%e .11...11

%e .12...11

%K nonn

%O 1,12

%A _R. H. Hardin_ Sep 11 2012

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Last modified January 27 12:01 EST 2020. Contains 331295 sequences. (Running on oeis4.)