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.

A298312 The first of three consecutive octagonal numbers the sum of which is equal to the sum of three consecutive primes.

Table of values

n a(n)
1 12160
2 74576
3 158240
4 181056
5 269400
6 371008
7 601216
8 606600
9 848008
10 980408
11 1242920
12 2075008
13 3292816
14 3680776
15 4477408
16 4685000
17 5627960
18 7505008
19 8263480
20 9289280
21 10397408
22 10419760
23 10735208
24 10757920
25 12726680
26 13000008
27 14200576
28 15426936
29 15700256

List of values

[12160, 74576, 158240, 181056, 269400, 371008, 601216, 606600, 848008, 980408, 1242920, 2075008, 3292816, 3680776, 4477408, 4685000, 5627960, 7505008, 8263480, 9289280, 10397408, 10419760, 10735208, 10757920, 12726680, 13000008, 14200576, 15426936, 15700256]

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

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