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.

A063889 Composite numbers not divisible by 5 which in base 5 contain their largest proper factor as a substring.

Table of values

n a(n)
1 4087
2 5083
3 5731
4 8857
5 10841
6 11983
7 15109
8 18631
9 27317
10 29593
11 49883
12 52319
13 61903
14 62317
15 65509
16 67237
17 80371
18 87707
19 89351
20 101971
21 108781
22 114313
23 121801
24 129739
25 136921
26 140033
27 143231
28 147923
29 158497
30 167477
31 186911
32 199841
33 202537

List of values

[4087, 5083, 5731, 8857, 10841, 11983, 15109, 18631, 27317, 29593, 49883, 52319, 61903, 62317, 65509, 67237, 80371, 87707, 89351, 101971, 108781, 114313, 121801, 129739, 136921, 140033, 143231, 147923, 158497, 167477, 186911, 199841, 202537]

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

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