cp's OEIS Frontend

A188332 Number of nondecreasing arrangements of n nonzero numbers in -(n+6)..(n+6) with sum zero.

%I A188332 #7 Jul 22 2025 11:08:15
%S A188332 0,8,40,257,1534,9314,56314,341988,2082546,12729304,78083158,
%T A188332 480688451,2969319278,18402445258,114405090020,713334999381,
%U A188332 4460132045862,27960102769656,175711836643538,1106809365488500,6987092970919342
%N A188332 Number of nondecreasing arrangements of n nonzero numbers in -(n+6)..(n+6) with sum zero.
%C A188332 Column 8 of A188333
%H A188332 R. H. Hardin, <a href="/A188332/b188332.txt">Table of n, a(n) for n = 1..25</a>
%e A188332 Some solutions for n=6
%e A188332 .-6..-11...-7...-9..-11..-10...-6...-9..-11..-12...-4...-3..-12...-8..-10..-10
%e A188332 .-6..-11...-4...-6...-9...-9...-6...-4...-4...-5...-3...-2..-11...-7..-10...-7
%e A188332 .-4...-5...-2...-6...-9...-1...-1...-4....1...-2...-3...-2...-3...-3...-2...-6
%e A188332 ..2....7...-2...-3....9....4...-1...-1....1...-2...-1....1....7....2....5....4
%e A188332 ..4....9....5...12....9....4....5....7....4...10...-1....3....7....4....7....9
%e A188332 .10...11...10...12...11...12....9...11....9...11...12....3...12...12...10...10
%K A188332 nonn
%O A188332 1,2
%A A188332 _R. H. Hardin_ Mar 28 2011