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.

A329476 Main diagonal of the square array A(n,k). Let D(x) = A055642(x). Then A(1,1) = 1; A(n,n) = #{A(i,j) | D(A(i,j)) = D(A(n-1,n-1)), 1 <= i,j <= n-1}. A(i,n) = A(n,n) + n + 1 - i, 1 <= i < n (column); A(n,j) = A(1,n) + n + 1 - j, 1 <= j < n (row).

Table of values

n a(n)
1 1
2 1
3 4
4 9
5 10
6 15
7 26
8 39
9 54
10 71
11 90
12 100
13 34
14 125
15 61
16 154
17 92
18 162
19 152
20 189
21 228
22 269
23 312
24 357
25 404
26 453
27 504
28 557
29 612
30 669
31 728
32 789
33 852
34 917
35 984
36 1000
37 124
38 1073
39 199
40 1150
41 278
42 1231
43 361
44 1316
45 448
46 1405
47 539
48 1498
49 634
50 1595
51 733
52 1696
53 836
54 1801
55 943

List of values

[1, 1, 4, 9, 10, 15, 26, 39, 54, 71, 90, 100, 34, 125, 61, 154, 92, 162, 152, 189, 228, 269, 312, 357, 404, 453, 504, 557, 612, 669, 728, 789, 852, 917, 984, 1000, 124, 1073, 199, 1150, 278, 1231, 361, 1316, 448, 1405, 539, 1498, 634, 1595, 733, 1696, 836, 1801, 943]