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.

A052022 Smallest number m larger than prime(n) such that prime(n) = sum of digits of m and prime(n) = largest prime factor of m (or 0 if no such number exists).

Table of values

n a(n)
2 12
3 50
4 70
5 308
6 364
7 476
8 1729
9 4784
10 9947
11 8959
12 38998
13 588965
14 179998
15 1879859
16 5988788
17 38778989
18 79693999
19 287978998
20 1489989599
21 4595969989
22 6888999949
23 45999897788
24 197999598599
25 3999966997975
26 6849998899886
27 7885998969988
28 35889999789995
29 39969896999968

List of values

[12, 50, 70, 308, 364, 476, 1729, 4784, 9947, 8959, 38998, 588965, 179998, 1879859, 5988788, 38778989, 79693999, 287978998, 1489989599, 4595969989, 6888999949, 45999897788, 197999598599, 3999966997975, 6849998899886, 7885998969988, 35889999789995, 39969896999968]

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

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