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.

A195142 Concentric 10-gonal numbers.

Table of values

n a(n)
0 0
1 1
2 10
3 21
4 40
5 61
6 90
7 121
8 160
9 201
10 250
11 301
12 360
13 421
14 490
15 561
16 640
17 721
18 810
19 901
20 1000
21 1101
22 1210
23 1321
24 1440
25 1561
26 1690
27 1821
28 1960
29 2101
30 2250
31 2401
32 2560
33 2721
34 2890
35 3061
36 3240
37 3421
38 3610
39 3801
40 4000
41 4201
42 4410
43 4621
44 4840
45 5061
46 5290

List of values

[0, 1, 10, 21, 40, 61, 90, 121, 160, 201, 250, 301, 360, 421, 490, 561, 640, 721, 810, 901, 1000, 1101, 1210, 1321, 1440, 1561, 1690, 1821, 1960, 2101, 2250, 2401, 2560, 2721, 2890, 3061, 3240, 3421, 3610, 3801, 4000, 4201, 4410, 4621, 4840, 5061, 5290]

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

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