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.

A086909 Middle side of the first primitive d-arithmetic triangle, where d=A072330(n).

Table of values

n a(n)
1 4
2 26
3 28
4 52
5 76
6 98
7 124
8 134
9 158
10 148
11 172
12 206
13 218
14 266
15 244
16 316
17 292
18 362
19 388
20 388
21 364
22 364
23 386
24 398
25 518
26 556
27 494
28 532
29 556
30 508
31 532
32 602
33 602
34 628
35 724
36 676
37 758
38 746
39 734
40 854
41 916
42 806
43 868
44 916
45 844
46 892
47 866
48 868
49 1036
50 1022
51 988
52 964
53 974

List of values

[4, 26, 28, 52, 76, 98, 124, 134, 158, 148, 172, 206, 218, 266, 244, 316, 292, 362, 388, 388, 364, 364, 386, 398, 518, 556, 494, 532, 556, 508, 532, 602, 602, 628, 724, 676, 758, 746, 734, 854, 916, 806, 868, 916, 844, 892, 866, 868, 1036, 1022, 988, 964, 974]