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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.

A273348 The sum of the semiperimeters of the bargraphs of area n (n>=1).

Table of values

n a(n)
1 2
2 6
3 16
4 39
5 92
6 211
7 476
8 1059
9 2332
10 5091
11 11036
12 23779
13 50972
14 108771
15 231196
16 489699
17 1034012
18 2177251
19 4572956
20 9582819
21 20039452
22 41826531
23 87148316
24 181287139
25 376555292
26 781072611
27 1618069276
28 3347986659
29 6919669532
30 14286731491
31 29468247836
32 60726065379
33 125031270172
34 257220819171
35 528758195996

List of values

[2, 6, 16, 39, 92, 211, 476, 1059, 2332, 5091, 11036, 23779, 50972, 108771, 231196, 489699, 1034012, 2177251, 4572956, 9582819, 20039452, 41826531, 87148316, 181287139, 376555292, 781072611, 1618069276, 3347986659, 6919669532, 14286731491, 29468247836, 60726065379, 125031270172, 257220819171, 528758195996]

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

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