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.

A085927 a(n) is the digitwise absolute difference between the n-th palindrome and its 9's complement.

Table of values

n a(n)
1 7
2 5
3 3
4 1
5 1
6 3
7 5
8 7
9 9
10 77
11 55
12 33
13 11
14 11
15 33
16 55
17 77
18 99
19 797
20 777
21 757
22 737
23 717
24 717
25 737
26 757
27 777
28 797
29 595
30 575
31 555
32 535
33 515
34 515
35 535
36 555
37 575
38 595
39 393
40 373
41 353
42 333
43 313
44 313
45 333
46 353
47 373
48 393
49 191
50 171
51 151
52 131
53 111
54 111
55 131
56 151
57 171
58 191

List of values

[7, 5, 3, 1, 1, 3, 5, 7, 9, 77, 55, 33, 11, 11, 33, 55, 77, 99, 797, 777, 757, 737, 717, 717, 737, 757, 777, 797, 595, 575, 555, 535, 515, 515, 535, 555, 575, 595, 393, 373, 353, 333, 313, 313, 333, 353, 373, 393, 191, 171, 151, 131, 111, 111, 131, 151, 171, 191]

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

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