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.

A033551 Closest integer to (Pi/4)*n^2.

Table of values

n a(n)
1 1
2 3
3 7
4 13
5 20
6 28
7 38
8 50
9 64
10 79
11 95
12 113
13 133
14 154
15 177
16 201
17 227
18 254
19 284
20 314
21 346
22 380
23 415
24 452
25 491
26 531
27 573
28 616
29 661
30 707
31 755
32 804
33 855
34 908
35 962
36 1018
37 1075
38 1134
39 1195
40 1257
41 1320
42 1385
43 1452
44 1521

List of values

[1, 3, 7, 13, 20, 28, 38, 50, 64, 79, 95, 113, 133, 154, 177, 201, 227, 254, 284, 314, 346, 380, 415, 452, 491, 531, 573, 616, 661, 707, 755, 804, 855, 908, 962, 1018, 1075, 1134, 1195, 1257, 1320, 1385, 1452, 1521]

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

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