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.

A271640 Numbers k such that 3*10^k + 73 is prime.

Table of values

n a(n)
1 1
2 2
3 5
4 6
5 13
6 37
7 50
8 55
9 71
10 89
11 217
12 352
13 355
14 398
15 449
16 668
17 742
18 870
19 1360
20 1579
21 2848
22 3774
23 5039
24 5051
25 6134
26 6824
27 7255
28 12586
29 17106
30 27502
31 30581
32 33817
33 97399
34 170800
35 172219
36 177872

List of values

[1, 2, 5, 6, 13, 37, 50, 55, 71, 89, 217, 352, 355, 398, 449, 668, 742, 870, 1360, 1579, 2848, 3774, 5039, 5051, 6134, 6824, 7255, 12586, 17106, 27502, 30581, 33817, 97399, 170800, 172219, 177872]

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

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