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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.

A338391 Numbers k such that there are exactly four biquadratefree powerful numbers (A338325) between k^2 and (k+1)^2.

Table of values

n a(n)
1 234
2 675
3 2426
4 8075
5 8391
6 9093
7 9548
8 10214
9 10340
10 11213
11 13816
12 14523
13 14970
14 15593
15 17329
16 17803
17 20649
18 22483
19 23020
20 23128
21 24842
22 25971
23 26318
24 26557
25 28241
26 28677
27 29124
28 29837
29 31058
30 31338
31 31732
32 31907
33 32490
34 35676
35 35765
36 36302
37 37599
38 41077
39 42577

List of values

[234, 675, 2426, 8075, 8391, 9093, 9548, 10214, 10340, 11213, 13816, 14523, 14970, 15593, 17329, 17803, 20649, 22483, 23020, 23128, 24842, 25971, 26318, 26557, 28241, 28677, 29124, 29837, 31058, 31338, 31732, 31907, 32490, 35676, 35765, 36302, 37599, 41077, 42577]

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

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