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.

A138069 Triangle read by rows: row n lists the digits of A135696(n), the palindromic number with odd number of digits formed from the reflected decimal expansion of e.

Table of values

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

List of values

[2, 2, 7, 2, 2, 7, 1, 7, 2, 2, 7, 1, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 8, 1, 8, 2, 8, 1, 7, 2, 2, 7, 1, 8, 2, 8, 1, 8, 2, 8, 1, 8, 2, 8, 1, 7, 2]

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

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