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.

A259390 Palindromic numbers in bases 7 and 9 written in base 10.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 8
9 40
10 50
11 100
12 164
13 200
14 264
15 300
16 328
17 400
18 2000
19 3550
20 8200
21 10252
22 14510
23 14762
24 22800
25 45600
26 164900
27 201720
28 400200
29 532900
30 555013
31 738100
32 2756120
33 2913368
34 3344352
35 3501600
36 4084000
37 12990350
38 22674550
39 194062432
40 1684866370
41 2225211080
42 13575144288
43 15127811455
44 20404027400
45 20537111057
46 22668403353
47 30862471355
48 83714515310
49 84668107250
50 796259955485
51 1202029647736
52 2088800185930
53 20268849562000

List of values

[0, 1, 2, 3, 4, 5, 6, 8, 40, 50, 100, 164, 200, 264, 300, 328, 400, 2000, 3550, 8200, 10252, 14510, 14762, 22800, 45600, 164900, 201720, 400200, 532900, 555013, 738100, 2756120, 2913368, 3344352, 3501600, 4084000, 12990350, 22674550, 194062432, 1684866370, 2225211080, 13575144288, 15127811455, 20404027400, 20537111057, 22668403353, 30862471355, 83714515310, 84668107250, 796259955485, 1202029647736, 2088800185930, 20268849562000]

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

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