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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.

A379742 a(n) is the number of divisors of A000178(n).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 18
5 72
6 234
7 1088
8 3600
9 10416
10 28080
11 124080
12 387828
13 1921024
14 6926400
15 20941344
16 54934880
17 251328000
18 810152280
19 4254092800
20 15266200950
21 46208448000
22 129674387920
23 640501862400
24 2197261252368
25 6404827161600
26 17436935577600
27 43314231340800
28 101062601640000
29 436914124416000
30 1355859833328000
31 7074064925491200

List of values

[1, 1, 2, 6, 18, 72, 234, 1088, 3600, 10416, 28080, 124080, 387828, 1921024, 6926400, 20941344, 54934880, 251328000, 810152280, 4254092800, 15266200950, 46208448000, 129674387920, 640501862400, 2197261252368, 6404827161600, 17436935577600, 43314231340800, 101062601640000, 436914124416000, 1355859833328000, 7074064925491200]

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

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