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.

A380660 Rectangular array pos(i,j,1,2) read by descending antidiagonals: pos( ) and neg() denote the positive part and negative part of a determinant; see Comments.

Table of values

n a(n)
1 5
2 16
3 27
4 48
5 65
6 84
7 119
8 144
9 171
10 200
11 253
12 288
13 325
14 364
15 405
16 480
17 527
18 576
19 627
20 680
21 735
22 836
23 897
24 960
25 1025
26 1092
27 1161
28 1232
29 1363
30 1440
31 1519
32 1600
33 1683
34 1768
35 1855
36 1944
37 2109
38 2204
39 2301
40 2400
41 2501
42 2604
43 2709
44 2816
45 2925
46 3128
47 3243
48 3360

List of values

[5, 16, 27, 48, 65, 84, 119, 144, 171, 200, 253, 288, 325, 364, 405, 480, 527, 576, 627, 680, 735, 836, 897, 960, 1025, 1092, 1161, 1232, 1363, 1440, 1519, 1600, 1683, 1768, 1855, 1944, 2109, 2204, 2301, 2400, 2501, 2604, 2709, 2816, 2925, 3128, 3243, 3360]