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.

A325981 Odd composites for which gcd(A325977(n), A325978(n)) is equal to abs(A325977(n)).

Table of values

n a(n)
1 45
2 495
3 585
4 765
5 855
6 1305
7 18837
8 21525
9 31635
10 38295
11 45315
12 50445
13 51255
14 60435
15 63495
16 68085
17 77265
18 96615
19 1403115
20 2446353
21 3411975
22 3999465
23 4091745
24 4233537
25 4287255
26 4631319
27 10813425
28 10967085
29 11490345
30 15578199
31 16143309
32 16329645
33 16633071
34 17179515
35 17311203
36 17355915
37 21159075
38 21933975
39 22579725

List of values

[45, 495, 585, 765, 855, 1305, 18837, 21525, 31635, 38295, 45315, 50445, 51255, 60435, 63495, 68085, 77265, 96615, 1403115, 2446353, 3411975, 3999465, 4091745, 4233537, 4287255, 4631319, 10813425, 10967085, 11490345, 15578199, 16143309, 16329645, 16633071, 17179515, 17311203, 17355915, 21159075, 21933975, 22579725]

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

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