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.

A088318 The number of possible values of the squarefree kernel (A007947) shared by at least two solutions x to A056239(x) = n.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 1
6 1
7 2
8 3
9 5
10 7
11 10
12 13
13 18
14 24
15 32
16 40
17 51
18 66
19 83
20 103
21 128
22 158
23 194
24 237
25 288
26 348
27 419
28 500
29 601
30 718
31 846
32 1003
33 1186
34 1392
35 1638
36 1915
37 2232
38 2605
39 3027
40 3518
41 4066
42 4704
43 5419
44 6241
45 7178
46 8236
47 9427
48 10792
49 12308
50 14062
51 15990
52 18203
53 20659

List of values

[0, 0, 0, 0, 1, 1, 2, 3, 5, 7, 10, 13, 18, 24, 32, 40, 51, 66, 83, 103, 128, 158, 194, 237, 288, 348, 419, 500, 601, 718, 846, 1003, 1186, 1392, 1638, 1915, 2232, 2605, 3027, 3518, 4066, 4704, 5419, 6241, 7178, 8236, 9427, 10792, 12308, 14062, 15990, 18203, 20659]

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

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