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.

A324570 Numbers where the sum of distinct prime indices (A066328) is equal to the number of prime factors counted with multiplicity (A001222).

Table of values

n a(n)
1 1
2 2
3 9
4 12
5 18
6 40
7 100
8 112
9 125
10 240
11 250
12 352
13 360
14 392
15 405
16 540
17 600
18 672
19 675
20 810
21 832
22 900
23 1008
24 1125
25 1350
26 1372
27 1500
28 1512
29 1701
30 1875
31 1936
32 2112
33 2176
34 2240
35 2250
36 2268
37 2352
38 2401
39 3168
40 3402
41 3528
42 3750
43 3969
44 4752
45 4802
46 4864
47 4992
48 5292

List of values

[1, 2, 9, 12, 18, 40, 100, 112, 125, 240, 250, 352, 360, 392, 405, 540, 600, 672, 675, 810, 832, 900, 1008, 1125, 1350, 1372, 1500, 1512, 1701, 1875, 1936, 2112, 2176, 2240, 2250, 2268, 2352, 2401, 3168, 3402, 3528, 3750, 3969, 4752, 4802, 4864, 4992, 5292]

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

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