cp's OEIS Frontend

A212872 Number of nondecreasing sequences of 5 1..n integers with no element dividing the sequence sum.

%I A212872 #6 May 06 2017 14:49:31
%S A212872 0,0,2,6,22,52,112,212,376,640,1011,1560,2293,3328,4711,6524,8765,
%T A212872 11703,15273,19886,25459,32224,40193,50022,61521,75059,90825,109479,
%U A212872 130520,155415,183229,215594,252070,293377,340266,393232,451522,517139,590227
%N A212872 Number of nondecreasing sequences of 5 1..n integers with no element dividing the sequence sum.
%C A212872 Row 5 of A212868.
%H A212872 R. H. Hardin, <a href="/A212872/b212872.txt">Table of n, a(n) for n = 1..210</a>
%e A212872 Some solutions for n=8
%e A212872 ..3....5....2....2....4....2....4....2....4....5....5....5....2....6....2....4
%e A212872 ..3....5....2....2....6....3....4....5....5....6....6....8....2....6....2....7
%e A212872 ..4....5....2....3....6....5....6....5....5....6....6....8....2....6....3....7
%e A212872 ..6....5....2....5....6....6....6....5....5....7....8....8....2....7....4....8
%e A212872 ..6....8....3....7....7....7....7....6....7....7....8....8....7....8....8....8
%K A212872 nonn
%O A212872 1,3
%A A212872 _R. H. Hardin_, May 29 2012