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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.

A298301 The first of three consecutive heptagonal numbers the sum of which is equal to the sum of three consecutive primes.

Table of values

n a(n)
1 7
2 874
3 7209
4 15484
5 16687
6 23863
7 68641
8 98704
9 122877
10 239785
11 373842
12 455182
13 498852
14 523723
15 601966
16 652036
17 769230
18 777573
19 1003939
20 1019844
21 1121245
22 1189215
23 1203049
24 1420159
25 1484946
26 1594804
27 1606807
28 1687977
29 1804975
30 2292973
31 2533612
32 3012363

List of values

[7, 874, 7209, 15484, 16687, 23863, 68641, 98704, 122877, 239785, 373842, 455182, 498852, 523723, 601966, 652036, 769230, 777573, 1003939, 1019844, 1121245, 1189215, 1203049, 1420159, 1484946, 1594804, 1606807, 1687977, 1804975, 2292973, 2533612, 3012363]

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

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