cp's OEIS Frontend

A212867 Number of nondecreasing sequences of n 1..7 integers with no element dividing the sequence sum.

%I A212867 #6 Jul 22 2025 22:58:46
%S A212867 0,12,29,59,112,199,319,503,733,1067,1508,2104,2827,3801,4974,6404,
%T A212867 8054,10101,12573,15680,19309,23586,28399,33966,40235,47554,55866,
%U A212867 65509,76417,88971,103077,119201,137210,157549,180024,205015,232280,262333,294930
%N A212867 Number of nondecreasing sequences of n 1..7 integers with no element dividing the sequence sum.
%C A212867 Column 7 of A212868
%H A212867 R. H. Hardin, <a href="/A212867/b212867.txt">Table of n, a(n) for n = 1..210</a>
%e A212867 Some solutions for n=8
%e A212867 ..2....2....4....2....3....2....4....2....3....2....2....3....3....5....3....2
%e A212867 ..2....4....4....2....3....4....4....2....4....2....2....4....3....5....3....3
%e A212867 ..3....4....4....2....3....4....4....2....4....3....2....5....3....6....3....7
%e A212867 ..4....5....4....2....3....4....4....2....4....3....3....5....4....6....5....7
%e A212867 ..4....6....5....4....6....4....4....3....4....4....3....5....7....6....5....7
%e A212867 ..5....6....5....4....6....5....5....3....6....4....3....6....7....6....5....7
%e A212867 ..5....6....6....5....7....5....7....4....6....6....3....6....7....6....6....7
%e A212867 ..6....6....7....6....7....5....7....5....7....7....7....7....7....7....7....7
%K A212867 nonn
%O A212867 1,2
%A A212867 _R. H. Hardin_ May 29 2012