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.

A089018 Smallest prime dividing the composite number consisting of A089017(n) successive 3's followed by a terminal 1.

Table of values

n a(n)
1 17
2 673
3 307
4 19
5 523
6 607
7 181
8 199
9 31
10 1009
11 29
12 23
13 177943
14 61
15 312929
16 17
17 821
18 353
19 363941
20 829
21 19
22 686269
23 31
24 1019
25 2761379
26 145501
27 1397023
28 28529353
29 47
30 2543
31 17
32 439
33 23
34 59
35 70717063
36 15683
37 31
38 19
39 4555681103
40 10616546557
41 28759
42 83

List of values

[17, 673, 307, 19, 523, 607, 181, 199, 31, 1009, 29, 23, 177943, 61, 312929, 17, 821, 353, 363941, 829, 19, 686269, 31, 1019, 2761379, 145501, 1397023, 28529353, 47, 2543, 17, 439, 23, 59, 70717063, 15683, 31, 19, 4555681103, 10616546557, 28759, 83]

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

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