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.

A330870 Practical numbers with a record gap to the next practical number.

Table of values

n a(n)
1 1
2 2
3 8
4 42
5 112
6 180
7 840
8 1600
9 6216
10 6272
11 16770
12 24240
13 29440
14 35910
15 184140
16 197912
17 266112
18 319808
19 1321376
20 2003688
21 3121328
22 3696480
23 4017216
24 4543672
25 5300910
26 5791302
27 11582680
28 12142088
29 27631300
30 31187592
31 31243040
32 64181800
33 106366560
34 307350504
35 1255812780

List of values

[1, 2, 8, 42, 112, 180, 840, 1600, 6216, 6272, 16770, 24240, 29440, 35910, 184140, 197912, 266112, 319808, 1321376, 2003688, 3121328, 3696480, 4017216, 4543672, 5300910, 5791302, 11582680, 12142088, 27631300, 31187592, 31243040, 64181800, 106366560, 307350504, 1255812780]

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

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