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.

A082018 First column of square array T(n,k) with T(1,1) = 1 where antidiagonals are filled alternating upwards and downwards with the smallest number not already used such that the n-th antidiagonal sum is a multiple of n.

Table of values

n a(n)
1 1
2 4
3 3
4 13
5 10
6 21
7 22
8 40
9 36
10 64
11 55
12 81
13 78
14 115
15 105
16 138
17 136
18 182
19 171
20 211
21 210
22 265
23 253
24 300
25 301
26 364
27 351
28 433
29 406
30 477
31 465
32 556
33 528
34 606
35 595
36 695
37 666
38 751
39 741
40 850
41 820
42 912
43 903
44 1021
45 990
46 1089
47 1081
48 1208
49 1176
50 1282
51 1275
52 1411
53 1378

List of values

[1, 4, 3, 13, 10, 21, 22, 40, 36, 64, 55, 81, 78, 115, 105, 138, 136, 182, 171, 211, 210, 265, 253, 300, 301, 364, 351, 433, 406, 477, 465, 556, 528, 606, 595, 695, 666, 751, 741, 850, 820, 912, 903, 1021, 990, 1089, 1081, 1208, 1176, 1282, 1275, 1411, 1378]