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.

A030133 a(n+1) is the sum of digits of (a(n) + a(n-1)).

Table of values

n a(n)
0 2
1 1
2 3
3 4
4 7
5 2
6 9
7 2
8 2
9 4
10 6
11 1
12 7
13 8
14 6
15 5
16 2
17 7
18 9
19 7
20 7
21 5
22 3
23 8
24 2
25 1
26 3
27 4
28 7
29 2
30 9
31 2
32 2
33 4
34 6
35 1
36 7
37 8
38 6
39 5
40 2
41 7
42 9
43 7
44 7
45 5
46 3
47 8
48 2
49 1
50 3
51 4
52 7
53 2
54 9
55 2
56 2
57 4
58 6
59 1
60 7
61 8
62 6
63 5
64 2
65 7
66 9
67 7
68 7
69 5
70 3
71 8
72 2
73 1
74 3
75 4
76 7
77 2
78 9
79 2
80 2
81 4
82 6
83 1
84 7
85 8
86 6
87 5
88 2
89 7
90 9
91 7
92 7
93 5
94 3
95 8
96 2
97 1
98 3

List of values

[2, 1, 3, 4, 7, 2, 9, 2, 2, 4, 6, 1, 7, 8, 6, 5, 2, 7, 9, 7, 7, 5, 3, 8, 2, 1, 3, 4, 7, 2, 9, 2, 2, 4, 6, 1, 7, 8, 6, 5, 2, 7, 9, 7, 7, 5, 3, 8, 2, 1, 3, 4, 7, 2, 9, 2, 2, 4, 6, 1, 7, 8, 6, 5, 2, 7, 9, 7, 7, 5, 3, 8, 2, 1, 3, 4, 7, 2, 9, 2, 2, 4, 6, 1, 7, 8, 6, 5, 2, 7, 9, 7, 7, 5, 3, 8, 2, 1, 3]

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

Content is available under The OEIS End-User License Agreement.