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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.

A261396 a(n) = smallest k such that A260273(k) >= 2^n.

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 7
5 12
6 19
7 34
8 61
9 110
10 200
11 371
12 697
13 1310
14 2484
15 4739
16 9072
17 17458
18 33671
19 65128
20 126225
21 244802
22 475124
23 922891
24 1793461
25 3487348
26 6784691
27 13208038
28 25731600
29 50166771
30 97873783
31 191089176
32 373349780
33 729972649
34 1428257200
35 2796453078
36 5478981032
37 10741710906
38 21072415837

List of values

[1, 2, 3, 4, 7, 12, 19, 34, 61, 110, 200, 371, 697, 1310, 2484, 4739, 9072, 17458, 33671, 65128, 126225, 244802, 475124, 922891, 1793461, 3487348, 6784691, 13208038, 25731600, 50166771, 97873783, 191089176, 373349780, 729972649, 1428257200, 2796453078, 5478981032, 10741710906, 21072415837]

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

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