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.

A356223 Position of n-th appearance of 2n in the sequence of prime gaps (A001223). If 2n does not appear at least n times, set a(n) = -1.

Table of values

n a(n)
1 2
2 6
3 15
4 79
5 68
6 121
7 162
8 445
9 416
10 971
11 836
12 987
13 2888
14 1891
15 1650
16 5637
17 5518
18 4834
19 9237
20 8152
21 10045
22 21550
23 20248
24 20179
25 29914
26 36070
27 24237
28 53355
29 52873
30 34206
31 103134
32 90190
33 63755
34 147861
35 98103
36 117467
37 209102
38 206423
39 124954
40 237847
41 369223

List of values

[2, 6, 15, 79, 68, 121, 162, 445, 416, 971, 836, 987, 2888, 1891, 1650, 5637, 5518, 4834, 9237, 8152, 10045, 21550, 20248, 20179, 29914, 36070, 24237, 53355, 52873, 34206, 103134, 90190, 63755, 147861, 98103, 117467, 209102, 206423, 124954, 237847, 369223]

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

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