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A326508 Number of (binary) max-heaps on n elements from the set {0,1} containing exactly seven 0's. 2
1, 1, 2, 5, 10, 18, 32, 54, 94, 140, 222, 329, 532, 708, 1060, 1432, 2175, 2691, 3878, 4905, 7110, 8398, 11740, 14150, 19788, 22622, 30826, 35845, 48712, 54376, 72472, 82016, 108845, 119317, 155962, 172861, 224834, 243018, 312232, 340486, 435210, 465184 (list; graph; refs; listen; history; text; internal format)
OFFSET

7,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 7..10000

Eric Weisstein's World of Mathematics, Heap

Wikipedia, Binary heap

Index entries for linear recurrences with constant coefficients, order 29.

CROSSREFS

Column k=7 of A309049.

Sequence in context: A185721 A304796 A103577 * A079006 A001936 A246712

Adjacent sequences:  A326505 A326506 A326507 * A326509 A326510 A326511

KEYWORD

nonn,easy

AUTHOR

Alois P. Heinz, Jul 09 2019

STATUS

approved

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Last modified May 7 12:05 EDT 2021. Contains 343650 sequences. (Running on oeis4.)