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.

A102838 Composite numbers whose exponents in their canonical factorization lie in the geometric progression 1, 3, 9, ...

Table of values

n a(n)
1 54
2 250
3 375
4 686
5 1029
6 1715
7 2662
8 3993
9 4394
10 6591
11 6655
12 9317
13 9826
14 10985
15 13718
16 14739
17 15379
18 20577
19 24167
20 24334
21 24565
22 34295
23 34391
24 36501
25 48013
26 48778
27 54043
28 59582
29 60835
30 63869
31 73167
32 75449
33 85169
34 89167
35 89373

List of values

[54, 250, 375, 686, 1029, 1715, 2662, 3993, 4394, 6591, 6655, 9317, 9826, 10985, 13718, 14739, 15379, 20577, 24167, 24334, 24565, 34295, 34391, 36501, 48013, 48778, 54043, 59582, 60835, 63869, 73167, 75449, 85169, 89167, 89373]