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Number of nondecreasing sequences of 5 1..n integers with every element dividing the sequence sum
1

%I #4 May 20 2012 06:16:42

%S 1,4,8,15,21,30,33,46,53,66,67,87,88,95,111,125,126,143,144,170,180,

%T 183,184,214,220,223,231,245,246,282,283,297,302,305,315,346,347,350,

%U 355,388,389,412,413,420,442,445,446,478,481,495,499,507,508,526,533,553,557,560

%N Number of nondecreasing sequences of 5 1..n integers with every element dividing the sequence sum

%C Row 5 of A212536

%H R. H. Hardin, <a href="/A212538/b212538.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=8

%e ..1....1....1....2....8....1....2....2....1....1....5....1....1....2....3....1

%e ..2....1....1....2....8....3....4....4....4....3....5....1....1....2....3....3

%e ..2....3....2....6....8....3....4....6....5....4....5....1....1....2....6....6

%e ..2....3....4....6....8....3....6....6....5....8....5....3....3....6....6....6

%e ..7....4....8....8....8....5....8....6....5....8....5....3....6....6....6....8

%K nonn

%O 1,2

%A _R. H. Hardin_ May 20 2012