cp's OEIS Frontend

A212540 Number of nondecreasing sequences of 7 1..n integers with every element dividing the sequence sum.

%I A212540 #6 Jul 22 2025 22:57:01
%S A212540 1,5,12,24,33,69,83,116,145,188,193,290,293,332,428,496,497,606,607,
%T A212540 772,840,857,858,1079,1098,1109,1153,1277,1278,1626,1627,1723,1750,
%U A212540 1757,1832,2100,2101,2106,2130,2541,2542,2784,2785,2843,3111,3115,3116,3462,3477
%N A212540 Number of nondecreasing sequences of 7 1..n integers with every element dividing the sequence sum.
%C A212540 Row 7 of A212536
%H A212540 R. H. Hardin, <a href="/A212540/b212540.txt">Table of n, a(n) for n = 1..210</a>
%e A212540 Some solutions for n=8
%e A212540 ..2....2....1....1....1....2....1....1....2....1....1....1....2....1....3....1
%e A212540 ..2....2....2....1....1....2....1....6....2....2....1....2....3....3....3....2
%e A212540 ..4....2....2....5....2....2....1....7....5....5....3....3....3....4....3....2
%e A212540 ..4....2....2....5....2....3....1....7....5....8....3....4....3....4....5....3
%e A212540 ..4....4....7....6....4....3....2....7....5....8....4....4....3....4....5....4
%e A212540 ..8....6....7....6....5....4....2....7....5....8....4....4....4....4....5....6
%e A212540 ..8....6....7....6....5....8....4....7....6....8....8....6....6....4....6....6
%K A212540 nonn
%O A212540 1,2
%A A212540 _R. H. Hardin_ May 20 2012