cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A323963 Number of defective (binary) heaps on n elements with exactly seven defects.

Table of values

n a(n)
7 0
8 210
9 7616
10 185460
11 4200960
12 77887920
13 1310267904
14 21025461600
15 314958758400
16 4765553385120
17 69086614338560
18 1013373907056960
19 14714554645140480
20 212868974122848000
21 3168605413206097920
22 45787509175434048000
23 705241846739554713600
24 10297540417675899801600

List of values

[0, 210, 7616, 185460, 4200960, 77887920, 1310267904, 21025461600, 314958758400, 4765553385120, 69086614338560, 1013373907056960, 14714554645140480, 212868974122848000, 3168605413206097920, 45787509175434048000, 705241846739554713600, 10297540417675899801600]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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