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%I #9 Apr 26 2023 13:26:16
%S 1,1,2,5,12,23,44,76,131,219,390,600,971,1469,2424,3328,5090,7138,
%T 11160,14397,21237,28018,41944,51464,73734,92806,134244,159128,222578,
%U 269926,379520,437776,599719,706183,969590,1095469,1473434,1694393,2279460,2532548
%N Number of (binary) max-heaps on n elements from the set {0,1} containing exactly nine 0's.
%H Alois P. Heinz, <a href="/A326510/b326510.txt">Table of n, a(n) for n = 9..10000</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/Heap.html">Heap</a>
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Binary_heap">Binary heap</a>
%H <a href="/index/Rec#order_45">Index entries for linear recurrences with constant coefficients</a>, signature (1, 2, -2, 3, -3, -8, 8, 1, -1, 6, -6, -11, 11, 16, -16, 6, -6, -28, 28, 14, -14, 0, 0, -14, 14, 28, -28, -6, 6, -16, 16, 11, -11, -6, 6, -1, 1, 8, -8, -3, 3, -2, 2, 1, -1).
%Y Column k=9 of A309049.
%K nonn,easy
%O 9,3
%A _Alois P. Heinz_, Jul 09 2019
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