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.

A256887 Squareful numbers that are not the sum of one or more consecutive squarefree numbers.

Table of values

n a(n)
1 4
2 9
3 12
4 20
5 25
6 50
7 54
8 56
9 60
10 68
11 88
12 96
13 124
14 125
15 135
16 148
17 150
18 152
19 153
20 156
21 162
22 164
23 169
24 175
25 198
26 207
27 225
28 236
29 242
30 248
31 276
32 279
33 289
34 292
35 325
36 344
37 356
38 375
39 276
40 412
41 425
42 436
43 450
44 488
45 513
46 516
47 585
48 628
49 639
50 688
51 722
52 728
53 764
54 801
55 808
56 847
57 855
58 916
59 948

List of values

[4, 9, 12, 20, 25, 50, 54, 56, 60, 68, 88, 96, 124, 125, 135, 148, 150, 152, 153, 156, 162, 164, 169, 175, 198, 207, 225, 236, 242, 248, 276, 279, 289, 292, 325, 344, 356, 375, 276, 412, 425, 436, 450, 488, 513, 516, 585, 628, 639, 688, 722, 728, 764, 801, 808, 847, 855, 916, 948]

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

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