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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.

A358596 a(n) is the least prime p such that the concatenation p|n has exactly n prime factors with multiplicity.

Table of values

n a(n)
1 3
2 2
3 83
4 2
5 67
6 41
7 947
8 4519
9 15659081
10 2843
11 337957
12 389
13 1616171
14 6132829
15 422116888343
16 24850181
17 377519743
18 194486417892947
19 533348873
20 324403
21 980825013273164555563
22 25691144027
23 273933405157
24 1238831928746353181
25 311195507789
26 129917586781
27 2159120477658983490299

List of values

[3, 2, 83, 2, 67, 41, 947, 4519, 15659081, 2843, 337957, 389, 1616171, 6132829, 422116888343, 24850181, 377519743, 194486417892947, 533348873, 324403, 980825013273164555563, 25691144027, 273933405157, 1238831928746353181, 311195507789, 129917586781, 2159120477658983490299]

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

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