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.

A134268 a(n+2) = sum_digits[a(n+1)] + sum_digits[a(n)] + sum_digits[a(n+1)]*sum_digits[a(n)], with a(0)=0, a(1)=1.

Table of values

n a(n)
0 0
1 1
2 3
3 19
4 54
5 109
6 120
7 55
8 153
9 109
10 120
11 55
12 153
13 109
14 120
15 55
16 153
17 109
18 120
19 55
20 153
21 109
22 120
23 55
24 153
25 109
26 120
27 55
28 153
29 109
30 120
31 55
32 153
33 109
34 120
35 55
36 153
37 109
38 120
39 55
40 153
41 109
42 120
43 55
44 153
45 109
46 120
47 55
48 153
49 109
50 120
51 55
52 153
53 109
54 120
55 55
56 153

List of values

[0, 1, 3, 19, 54, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153, 109, 120, 55, 153]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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