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A326510 Number of (binary) max-heaps on n elements from the set {0,1} containing exactly nine 0's. 2
1, 1, 2, 5, 12, 23, 44, 76, 131, 219, 390, 600, 971, 1469, 2424, 3328, 5090, 7138, 11160, 14397, 21237, 28018, 41944, 51464, 73734, 92806, 134244, 159128, 222578, 269926, 379520, 437776, 599719, 706183, 969590, 1095469, 1473434, 1694393, 2279460, 2532548 (list; graph; refs; listen; history; text; internal format)
OFFSET

9,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 9..10000

Eric Weisstein's World of Mathematics, Heap

Wikipedia, Binary heap

CROSSREFS

Column k=9 of A309049.

Sequence in context: A115520 A116735 A096376 * A112287 A127787 A116733

Adjacent sequences:  A326507 A326508 A326509 * A326511 A326512 A326513

KEYWORD

nonn,easy

AUTHOR

Alois P. Heinz, Jul 09 2019

STATUS

approved

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Last modified February 23 10:11 EST 2020. Contains 332160 sequences. (Running on oeis4.)