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.

A255605 Integer part of the area of a pentagon with side length n.

Table of values

n a(n)
1 1
2 6
3 15
4 27
5 43
6 61
7 84
8 110
9 139
10 172
11 208
12 247
13 290
14 337
15 387
16 440
17 497
18 557
19 621
20 688
21 758
22 832
23 910
24 990
25 1075
26 1163
27 1254
28 1348
29 1446
30 1548
31 1653
32 1761
33 1873
34 1988
35 2107
36 2229
37 2355
38 2484
39 2616
40 2752
41 2892
42 3034
43 3181
44 3330
45 3483
46 3640
47 3800
48 3963
49 4130
50 4301
51 4474

List of values

[1, 6, 15, 27, 43, 61, 84, 110, 139, 172, 208, 247, 290, 337, 387, 440, 497, 557, 621, 688, 758, 832, 910, 990, 1075, 1163, 1254, 1348, 1446, 1548, 1653, 1761, 1873, 1988, 2107, 2229, 2355, 2484, 2616, 2752, 2892, 3034, 3181, 3330, 3483, 3640, 3800, 3963, 4130, 4301, 4474]

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

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