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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.

A085815 Least k such that A056830(n) + k is prime, where A056830 = alternate digits 1 and 0.

Table of values

n a(n)
0 2
1 1
2 1
3 0
4 3
5 2
6 11
7 28
8 13
9 12
10 29
11 62
12 1
13 10
14 1
15 30
16 27
17 40
18 73
19 42
20 63
21 90
22 29
23 8
24 61
25 120
26 37
27 20
28 41
29 20
30 1
31 66
32 283
33 66
34 27
35 146
36 1
37 222
38 1
39 8
40 77
41 190
42 173
43 18
44 1
45 50
46 149
47 50
48 29
49 66
50 31
51 26
52 23
53 10
54 29
55 150
56 99
57 330
58 81
59 356
60 53
61 102
62 7
63 126
64 123
65 10
66 227
67 526
68 117
69 96

List of values

[2, 1, 1, 0, 3, 2, 11, 28, 13, 12, 29, 62, 1, 10, 1, 30, 27, 40, 73, 42, 63, 90, 29, 8, 61, 120, 37, 20, 41, 20, 1, 66, 283, 66, 27, 146, 1, 222, 1, 8, 77, 190, 173, 18, 1, 50, 149, 50, 29, 66, 31, 26, 23, 10, 29, 150, 99, 330, 81, 356, 53, 102, 7, 126, 123, 10, 227, 526, 117, 96]

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

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