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.

A255549 Main diagonal of Unlucky array: a(n) = A255543(n,n).

Table of values

n a(n)
1 2
2 11
3 61
4 121
5 253
6 379
7 663
8 945
9 1377
10 1687
11 2143
12 2803
13 3543
14 4053
15 5485
16 6315
17 7023
18 7987
19 8781
20 9871
21 11559
22 13105
23 14743
24 16485
25 18337
26 19959
27 23073
28 24511
29 26371
30 27895
31 30355
32 33789
33 36925
34 39273
35 42177
36 44167
37 50455
38 53221
39 55447
40 58935
41 61921
42 65625
43 70065
44 73321
45 78031
46 81513
47 84361
48 87963
49 96937
50 100075

List of values

[2, 11, 61, 121, 253, 379, 663, 945, 1377, 1687, 2143, 2803, 3543, 4053, 5485, 6315, 7023, 7987, 8781, 9871, 11559, 13105, 14743, 16485, 18337, 19959, 23073, 24511, 26371, 27895, 30355, 33789, 36925, 39273, 42177, 44167, 50455, 53221, 55447, 58935, 61921, 65625, 70065, 73321, 78031, 81513, 84361, 87963, 96937, 100075]

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

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