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.

A278479 a(n) is the smallest k such that the 2-adic valuation of A000041(k) equals n.

Table of values

n a(n)
0 0
1 2
2 26
3 11
4 15
5 70
6 66
7 109
8 154
9 478
10 441
11 96
12 3693
13 15005
14 66934
15 99420
16 18978
17 43002
18 55943
19 972190
20 1151214
21 2799146
22 26801784
23 46632889
24 15519397
25 122101417
26 210553237
27 289585489
28 473093534

List of values

[0, 2, 26, 11, 15, 70, 66, 109, 154, 478, 441, 96, 3693, 15005, 66934, 99420, 18978, 43002, 55943, 972190, 1151214, 2799146, 26801784, 46632889, 15519397, 122101417, 210553237, 289585489, 473093534]

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

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