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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.

A075806 Differences between adjacent palindromic numbers which are products of an odd number of distinct primes.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 55
6 35
7 30
8 20
9 30
10 10
11 31
12 60
13 31
14 40
15 20
16 10
17 51
18 40
19 20
20 61
21 40
22 11
23 40
24 81
25 30
26 20
27 10
28 10
29 122
30 10
31 40
32 32
33 220
34 330
35 220
36 451
37 660
38 451
39 220
40 781
41 660
42 341
43 220
44 110
45 220
46 110
47 11
48 220
49 220
50 440
51 451
52 220
53 110
54 110
55 110
56 451
57 220
58 220
59 220
60 341

List of values

[1, 2, 2, 4, 55, 35, 30, 20, 30, 10, 31, 60, 31, 40, 20, 10, 51, 40, 20, 61, 40, 11, 40, 81, 30, 20, 10, 10, 122, 10, 40, 32, 220, 330, 220, 451, 660, 451, 220, 781, 660, 341, 220, 110, 220, 110, 11, 220, 220, 440, 451, 220, 110, 110, 110, 451, 220, 220, 220, 341]

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

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