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.

A245418 Number of nonnegative integers with property that their base 5/3 expansion (see A024633) has n digits.

Table of values

n a(n)
1 5
2 5
3 10
4 15
5 25
6 40
7 70
8 115
9 190
10 320
11 530
12 885
13 1475
14 2460
15 4100
16 6830
17 11385
18 18975
19 31625
20 52710
21 87850
22 146415
23 244025
24 406710
25 677850
26 1129750
27 1882915
28 3138190
29 5230320
30 8717200
31 14528665
32 24214440
33 40357400
34 67262335
35 112103890
36 186839820
37 311399700

List of values

[5, 5, 10, 15, 25, 40, 70, 115, 190, 320, 530, 885, 1475, 2460, 4100, 6830, 11385, 18975, 31625, 52710, 87850, 146415, 244025, 406710, 677850, 1129750, 1882915, 3138190, 5230320, 8717200, 14528665, 24214440, 40357400, 67262335, 112103890, 186839820, 311399700]