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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.

A337487 De Polignac numbers k > 1 such that k - 2^m is a de Polignac number for every 1 < 2^m < k.

Table of values

n a(n)
1 1117175145
2 2544265305
3 3147056235
4 3366991695
5 3472109835
6 3621922845
7 3861518805
8 4447794915
9 4848148485
10 5415281745
11 5693877405
12 7525056375
13 7602256605
14 9055691835
15 9217432215
16 13431856995
17 16819230075
18 19373391165
19 21468020835
20 24358769685
21 27002844795
22 30252463305
23 33359739795

List of values

[1117175145, 2544265305, 3147056235, 3366991695, 3472109835, 3621922845, 3861518805, 4447794915, 4848148485, 5415281745, 5693877405, 7525056375, 7602256605, 9055691835, 9217432215, 13431856995, 16819230075, 19373391165, 21468020835, 24358769685, 27002844795, 30252463305, 33359739795]

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

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