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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.

A145748 Numbers n such that phi(n+1)-phi(n)=sigma(n+1)-sigma(n).

Table of values

n a(n)
1 2
2 854
3 751358
4 1421637
5 8775206
6 8892195
7 16485944
8 31845344
9 95494035
10 277653495
11 380438505
12 744048855
13 1091725394
14 1615353002
15 2284844925
16 2491028745
17 6345217034
18 8490513014
19 12784909335
20 14177454885
21 15669084375
22 17694356295
23 17836667354
24 24180347115

List of values

[2, 854, 751358, 1421637, 8775206, 8892195, 16485944, 31845344, 95494035, 277653495, 380438505, 744048855, 1091725394, 1615353002, 2284844925, 2491028745, 6345217034, 8490513014, 12784909335, 14177454885, 15669084375, 17694356295, 17836667354, 24180347115]

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

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