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.

A080335 Diagonal in square spiral or maze arrangement of natural numbers.

Table of values

n a(n)
0 1
1 5
2 9
3 17
4 25
5 37
6 49
7 65
8 81
9 101
10 121
11 145
12 169
13 197
14 225
15 257
16 289
17 325
18 361
19 401
20 441
21 485
22 529
23 577
24 625
25 677
26 729
27 785
28 841
29 901
30 961
31 1025
32 1089
33 1157
34 1225
35 1297
36 1369
37 1445
38 1521
39 1601
40 1681
41 1765
42 1849
43 1937
44 2025
45 2117
46 2209
47 2305
48 2401
49 2501

List of values

[1, 5, 9, 17, 25, 37, 49, 65, 81, 101, 121, 145, 169, 197, 225, 257, 289, 325, 361, 401, 441, 485, 529, 577, 625, 677, 729, 785, 841, 901, 961, 1025, 1089, 1157, 1225, 1297, 1369, 1445, 1521, 1601, 1681, 1765, 1849, 1937, 2025, 2117, 2209, 2305, 2401, 2501]

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

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