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.

A338039 Numbers m such that A338038(m) = A338038(A004086(m)) where A004086(i) is i read backwards and A338038(i) is the sum of the primes and exponents in the prime factorization of i ignoring 1-exponents; palindromes and multiples of 10 are excluded.

Table of values

n a(n)
1 18
2 81
3 198
4 576
5 675
6 819
7 891
8 918
9 1131
10 1304
11 1311
12 1818
13 1998
14 2262
15 2622
16 3393
17 3933
18 4031
19 4154
20 4514
21 4636
22 6364
23 8181
24 8749
25 8991
26 9478
27 12441
28 14269
29 14344
30 14421
31 15167
32 15602
33 16237
34 18018
35 18449
36 18977
37 19998
38 20651
39 23843
40 24882
41 26677
42 26892
43 27225

List of values

[18, 81, 198, 576, 675, 819, 891, 918, 1131, 1304, 1311, 1818, 1998, 2262, 2622, 3393, 3933, 4031, 4154, 4514, 4636, 6364, 8181, 8749, 8991, 9478, 12441, 14269, 14344, 14421, 15167, 15602, 16237, 18018, 18449, 18977, 19998, 20651, 23843, 24882, 26677, 26892, 27225]