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.

A248078 a(1) = 1; a(n+1) = a(n) + product of digits of a(n) + sum of digits of a(n).

Table of values

n a(n)
1 1
2 3
3 9
4 27
5 50
6 55
7 90
8 99
9 198
10 288
11 434
12 493
13 617
14 673
15 815
16 869
17 1324
18 1358
19 1495
20 1694
21 1930
22 1943
23 2068
24 2084
25 2098
26 2117
27 2142
28 2167
29 2267
30 2452
31 2545
32 2761
33 2861
34 2974
35 3500
36 3508
37 3524
38 3658
39 4400
40 4408
41 4424
42 4566
43 5307
44 5322
45 5394
46 5955
47 7104
48 7116

List of values

[1, 3, 9, 27, 50, 55, 90, 99, 198, 288, 434, 493, 617, 673, 815, 869, 1324, 1358, 1495, 1694, 1930, 1943, 2068, 2084, 2098, 2117, 2142, 2167, 2267, 2452, 2545, 2761, 2861, 2974, 3500, 3508, 3524, 3658, 4400, 4408, 4424, 4566, 5307, 5322, 5394, 5955, 7104, 7116]