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.

A298729 Prime numbers whose decimal expansion includes a substring of seven consecutive 7's.

Table of values

n a(n)
1 137777777
2 177777773
3 177777779
4 197777777
5 307777777
6 347777777
7 437777777
8 527777777
9 547777777
10 577777777
11 587777777
12 647777777
13 697777777
14 777777701
15 777777739
16 777777743
17 777777751
18 777777799
19 787777777
20 827777777
21 947777777
22 967777777
23 1247777777
24 1277777771
25 1277777773
26 1457777777
27 1487777777

List of values

[137777777, 177777773, 177777779, 197777777, 307777777, 347777777, 437777777, 527777777, 547777777, 577777777, 587777777, 647777777, 697777777, 777777701, 777777739, 777777743, 777777751, 777777799, 787777777, 827777777, 947777777, 967777777, 1247777777, 1277777771, 1277777773, 1457777777, 1487777777]

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

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