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.

A307502 Self-convolution of the Dedekind psi function (A001615).

Table of values

n a(n)
1 0
2 1
3 6
4 17
5 36
6 64
7 108
8 172
9 240
10 340
11 444
12 612
13 744
14 980
15 1164
16 1504
17 1704
18 2172
19 2388
20 2964
21 3288
22 3968
23 4272
24 5272
25 5520
26 6624
27 7104
28 8276
29 8640
30 10404
31 10572
32 12480
33 13032
34 14988
35 15300
36 18204
37 18048
38 21004
39 21636
40 24616
41 24648
42 29036
43 28452
44 32768
45 33552
46 37488

List of values

[0, 1, 6, 17, 36, 64, 108, 172, 240, 340, 444, 612, 744, 980, 1164, 1504, 1704, 2172, 2388, 2964, 3288, 3968, 4272, 5272, 5520, 6624, 7104, 8276, 8640, 10404, 10572, 12480, 13032, 14988, 15300, 18204, 18048, 21004, 21636, 24616, 24648, 29036, 28452, 32768, 33552, 37488]

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

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