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.

A372541 Least k such that the k-th squarefree number has exactly n ones in its binary expansion.

Table of values

n a(n)
0 1
1 3
2 6
3 11
4 20
5 60
6 78
7 157
8 314
9 624
10 1245
11 3736
12 4982
13 9962
14 19920
15 39844
16 79688
17 239046
18 318725
19 956194
20 1912371
21 2549834
22 5099650
23 15298984
24 20398664
25 40797327
26 81594626
27 163189197
28 326378284
29 979135127
30 1305513583
31 2611027094
32 5222054081
33 10444108051

List of values

[1, 3, 6, 11, 20, 60, 78, 157, 314, 624, 1245, 3736, 4982, 9962, 19920, 39844, 79688, 239046, 318725, 956194, 1912371, 2549834, 5099650, 15298984, 20398664, 40797327, 81594626, 163189197, 326378284, 979135127, 1305513583, 2611027094, 5222054081, 10444108051]

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

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