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.

A326151 Numbers whose product of prime indices is twice their sum of prime indices.

Table of values

n a(n)
1 49
2 63
3 65
4 81
5 150
6 154
7 190
8 198
9 364
10 468
11 580
12 840
13 952
14 1080
15 1224
16 1480
17 2128
18 2288
19 2736
20 3440
21 5152
22 5280
23 6624
24 8480
25 9408
26 10816
27 12096
28 12992
29 15552
30 16704
31 19520
32 24960
33 26752
34 27776
35 35712
36 44800
37 45440
38 56576
39 57600
40 66304
41 85248
42 101120
43 118272

List of values

[49, 63, 65, 81, 150, 154, 190, 198, 364, 468, 580, 840, 952, 1080, 1224, 1480, 2128, 2288, 2736, 3440, 5152, 5280, 6624, 8480, 9408, 10816, 12096, 12992, 15552, 16704, 19520, 24960, 26752, 27776, 35712, 44800, 45440, 56576, 57600, 66304, 85248, 101120, 118272]

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

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