cp's OEIS Frontend

A200178 Number of -5..5 arrays x(0..n-1) of n elements with zero sum and no two consecutive declines, no adjacent equal elements, and no element more than one greater than the previous (random base sawtooth pattern).

%I A200178 #7 Jun 02 2025 07:17:24
%S A200178 1,5,7,19,31,72,186,460,891,1934,5241,12431,25680,59390,152436,359303,
%T A200178 789835,1853143,4609254,10926157,24817557,58735668,144083442,
%U A200178 342433339,794002110,1892015431,4599853709,10962118986,25773744159,61646299147
%N A200178 Number of -5..5 arrays x(0..n-1) of n elements with zero sum and no two consecutive declines, no adjacent equal elements, and no element more than one greater than the previous (random base sawtooth pattern).
%C A200178 Column 5 of A200181
%H A200178 R. H. Hardin, <a href="/A200178/b200178.txt">Table of n, a(n) for n = 1..200</a>
%e A200178 Some solutions for n=6
%e A200178 ..5....4....3....1....4....5....3....1....2....0....3....5....3....2...-1....1
%e A200178 ..2....1....2....0...-1...-1...-2...-1....0....1....4...-2....0...-1....0...-1
%e A200178 ..3....2....3....1....0....0...-1....0....1....0....5...-1....1....0....1....0
%e A200178 .-3...-2...-3...-1...-1...-1....0...-1....0....1...-4....0...-1....1....0....1
%e A200178 .-2...-1...-2....0....0....0....1....0....1....2...-3....1....0....2....1...-1
%e A200178 .-5...-4...-3...-1...-2...-3...-1....1...-4...-4...-5...-3...-3...-4...-1....0
%K A200178 nonn
%O A200178 1,2
%A A200178 _R. H. Hardin_ Nov 13 2011