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.

A137831 a(n) = (prime(n)^2 minus its last digit)/20.

Table of values

n a(n)
1 0
2 0
3 1
4 2
5 6
6 8
7 14
8 18
9 26
10 42
11 48
12 68
13 84
14 92
15 110
16 140
17 174
18 186
19 224
20 252
21 266
22 312
23 344
24 396
25 470
26 510
27 530
28 572
29 594
30 638
31 806
32 858
33 938
34 966
35 1110
36 1140
37 1232
38 1328
39 1394
40 1496
41 1602
42 1638
43 1824
44 1862
45 1940
46 1980
47 2226
48 2486
49 2576
50 2622
51 2714
52 2856

List of values

[0, 0, 1, 2, 6, 8, 14, 18, 26, 42, 48, 68, 84, 92, 110, 140, 174, 186, 224, 252, 266, 312, 344, 396, 470, 510, 530, 572, 594, 638, 806, 858, 938, 966, 1110, 1140, 1232, 1328, 1394, 1496, 1602, 1638, 1824, 1862, 1940, 1980, 2226, 2486, 2576, 2622, 2714, 2856]

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

Content is available under The OEIS End-User License Agreement.