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.

A130424 Main diagonal of array A[k,n] = n-th sum of k consecutive k-gonal numbers, k>2.

Table of values

n a(n)
1 4
2 30
3 125
4 365
5 854
6 1724
7 3135
8 5275
9 8360
10 12634
11 18369
12 25865
13 35450
14 47480
15 62339
16 80439
17 102220
18 128150
19 158725
20 194469
21 235934
22 283700
23 338375
24 400595
25 471024
26 550354
27 639305
28 738625
29 849090
30 971504
31 1106699
32 1255535
33 1418900

List of values

[4, 30, 125, 365, 854, 1724, 3135, 5275, 8360, 12634, 18369, 25865, 35450, 47480, 62339, 80439, 102220, 128150, 158725, 194469, 235934, 283700, 338375, 400595, 471024, 550354, 639305, 738625, 849090, 971504, 1106699, 1255535, 1418900]