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.

A074858 a(n) = a(n-1) + a(n-2) + R(a(n-3)) where a(0) = a(1) = a(2) = 1 and R(n) (A004086) means the reverse of n.

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 5
5 9
6 17
7 31
8 57
9 159
10 229
11 463
12 1643
13 3028
14 5035
15 11524
16 24762
17 41591
18 108864
19 177197
20 305575
21 951573
22 2048919
23 3575995
24 6000073
25 18774470
26 30770296
27 53244772
28 91462849
29 213915324
30 333122408
31 641864151
32 1398505871
33 2844591355

List of values

[1, 1, 1, 3, 5, 9, 17, 31, 57, 159, 229, 463, 1643, 3028, 5035, 11524, 24762, 41591, 108864, 177197, 305575, 951573, 2048919, 3575995, 6000073, 18774470, 30770296, 53244772, 91462849, 213915324, 333122408, 641864151, 1398505871, 2844591355]