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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.

A113758 a(n) is the least number having sum of digits n in base 10 and also exactly n prime factors (counted with multiplicity).

Table of values

n a(n)
2 10001
3 12
4 40
5 32
6 240
7 3040
8 2240
9 1152
10 6400
11 12800
12 21504
13 440320
14 2140160
15 172032
16 4710400
17 1802240
18 1327104
19 20316160
20 40632320
21 17301504
22 152043520
23 602931200
24 138412032
25 117440512
26 3607101440
27 1132462080
28 51204063232
29 3355443200
30 35232153600
31 202400333824
32 102005473280

List of values

[10001, 12, 40, 32, 240, 3040, 2240, 1152, 6400, 12800, 21504, 440320, 2140160, 172032, 4710400, 1802240, 1327104, 20316160, 40632320, 17301504, 152043520, 602931200, 138412032, 117440512, 3607101440, 1132462080, 51204063232, 3355443200, 35232153600, 202400333824, 102005473280]

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

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