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.

A343737 Highly composite 7-rough numbers: numbers that are not divisible by any prime smaller than 7 and whose number of divisors reaches a record.

Table of values

n a(n)
1 1
2 7
3 49
4 77
5 539
6 1001
7 5929
8 7007
9 17017
10 77077
11 119119
12 323323
13 1310309
14 2263261
15 7436429
16 24895871
17 52055003
18 215656441
19 572605033
20 1509595087
21 6685349671
22 16605545957
23 46797447697
24 215872097441
25 247357937827
26 514771924667
27 1731505564789
28 6692035020671

List of values

[1, 7, 49, 77, 539, 1001, 5929, 7007, 17017, 77077, 119119, 323323, 1310309, 2263261, 7436429, 24895871, 52055003, 215656441, 572605033, 1509595087, 6685349671, 16605545957, 46797447697, 215872097441, 247357937827, 514771924667, 1731505564789, 6692035020671]

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

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