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.

A196375 a(1)=2; a(n)=smallest prime greater than the half-sum of all previous terms.

Table of values

n a(n)
1 2
2 2
3 3
4 5
5 7
6 11
7 17
8 29
9 41
10 59
11 89
12 137
13 211
14 307
15 461
16 691
17 1039
18 1559
19 2339
20 3511
21 5261
22 7901
23 11863
24 17783
25 26669
26 40009
27 60013
28 90011
29 135017
30 202529
31 303803
32 455701
33 683567
34 1025327
35 1537997
36 2307031
37 3460517
38 5190769
39 7786151
40 11679223
41 17518843
42 26278261

List of values

[2, 2, 3, 5, 7, 11, 17, 29, 41, 59, 89, 137, 211, 307, 461, 691, 1039, 1559, 2339, 3511, 5261, 7901, 11863, 17783, 26669, 40009, 60013, 90011, 135017, 202529, 303803, 455701, 683567, 1025327, 1537997, 2307031, 3460517, 5190769, 7786151, 11679223, 17518843, 26278261]

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

Content is available under The OEIS End-User License Agreement.