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.

A378456 Number of composite numbers between consecutive nonprime prime powers (exclusive).

Table of values

n a(n)
1 1
2 0
3 4
4 5
5 1
6 2
7 12
8 11
9 12
10 31
11 3
12 1
13 32
14 59
15 11
16 25
17 46
18 13
19 125
20 14
21 80
22 88
23 94
24 103
25 52
26 261
27 35
28 267
29 147
30 172
31 120
32 9
33 9
34 163
35 355
36 279
37 313
38 207
39 329
40 347
41 376
42 108
43 257
44 805
45 283
46 262
47 25
48 917
49 242
50 1081
51 702
52 365
53 752
54 389
55 251
56 535
57 1679
58 877
59 447

List of values

[1, 0, 4, 5, 1, 2, 12, 11, 12, 31, 3, 1, 32, 59, 11, 25, 46, 13, 125, 14, 80, 88, 94, 103, 52, 261, 35, 267, 147, 172, 120, 9, 9, 163, 355, 279, 313, 207, 329, 347, 376, 108, 257, 805, 283, 262, 25, 917, 242, 1081, 702, 365, 752, 389, 251, 535, 1679, 877, 447]

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

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