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.

A119610 Number of cases in which the first player is killed in a Russian roulette game where 5 players use a gun with n chambers and the number of bullets can be from 1 to n. Players do not rotate the cylinder after the game starts.

Table of values

n a(n)
1 1
2 2
3 4
4 8
5 16
6 33
7 66
8 132
9 264
10 528
11 1057
12 2114
13 4228
14 8456
15 16912
16 33825
17 67650
18 135300
19 270600
20 541200
21 1082401
22 2164802
23 4329604
24 8659208
25 17318416
26 34636833
27 69273666
28 138547332
29 277094664
30 554189328
31 1108378657
32 2216757314

List of values

[1, 2, 4, 8, 16, 33, 66, 132, 264, 528, 1057, 2114, 4228, 8456, 16912, 33825, 67650, 135300, 270600, 541200, 1082401, 2164802, 4329604, 8659208, 17318416, 34636833, 69273666, 138547332, 277094664, 554189328, 1108378657, 2216757314]