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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.

A373895 a(n) = ceiling((2^n+n-1)/n).

Table of values

n a(n)
1 2
2 3
3 4
4 5
5 8
6 12
7 20
8 33
9 58
10 104
11 188
12 343
13 632
14 1172
15 2186
16 4097
17 7712
18 14565
19 27596
20 52430
21 99866
22 190652
23 364724
24 699052
25 1342179
26 2581112
27 4971028
28 9586982
29 18512792
30 35791396
31 69273668
32 134217729
33 260301050
34 505290272
35 981706812
36 1908874355
37 3714566312
38 7233629132
39 14096302922
40 27487790696

List of values

[2, 3, 4, 5, 8, 12, 20, 33, 58, 104, 188, 343, 632, 1172, 2186, 4097, 7712, 14565, 27596, 52430, 99866, 190652, 364724, 699052, 1342179, 2581112, 4971028, 9586982, 18512792, 35791396, 69273668, 134217729, 260301050, 505290272, 981706812, 1908874355, 3714566312, 7233629132, 14096302922, 27487790696]

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

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