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.

A380220 Least positive integer whose prime indices satisfy (product) - (sum) = n. Position of first appearance of n in A325036.

Table of values

n a(n)
0 2
1 1
2 21
3 25
4 39
5 35
6 57
7 55
8 49
9 65
10 75
11 77
12 129
13 95
14 91
15 105
16 183
17 119
18 125
19 143
20 133
21 185
22 147
23 161
24 169
25 195
26 175
27 209
28 339
29 217
30 255
31 253
32 259
33 305
34 247
35 285
36 273
37 245
38 301
39 299
40 345
41 323
42 325
43 357
44 371
45 435
46 669
47 391
48 361
49 403
50 399
51 473
52 343
53 469
54 481

List of values

[2, 1, 21, 25, 39, 35, 57, 55, 49, 65, 75, 77, 129, 95, 91, 105, 183, 119, 125, 143, 133, 185, 147, 161, 169, 195, 175, 209, 339, 217, 255, 253, 259, 305, 247, 285, 273, 245, 301, 299, 345, 323, 325, 357, 371, 435, 669, 391, 361, 403, 399, 473, 343, 469, 481]

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

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