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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.

A346582 a(n) = (1/(8*n)) * Sum_{d|n} mu(n/d) * binomial(8*d,d).

Table of values

n a(n)
1 1
2 7
3 84
4 1120
5 16450
6 255612
7 4141382
8 69158272
9 1182125043
10 20581143150
11 363704640475
12 6506965023168
13 117626432708863
14 2145180354493274
15 39421026305266125
16 729242353100281344
17 13568988503585900647
18 253785064585174078869
19 4768543107831461199896
20 89970814565326816488000

List of values

[1, 7, 84, 1120, 16450, 255612, 4141382, 69158272, 1182125043, 20581143150, 363704640475, 6506965023168, 117626432708863, 2145180354493274, 39421026305266125, 729242353100281344, 13568988503585900647, 253785064585174078869, 4768543107831461199896, 89970814565326816488000]

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

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