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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.

A178508 a(n) = 1, 7, A011557*(period 6: repeat 10, 13, 31, 49, 70, 97).

Table of values

n a(n)
1 1
2 7
3 10
4 13
5 31
6 49
7 70
8 97
9 100
10 130
11 310
12 490
13 700
14 970
15 1000
16 1300
17 3100
18 4900
19 7000
20 9700
21 10000
22 13000
23 31000
24 49000
25 70000
26 97000
27 100000
28 130000
29 310000
30 490000
31 700000
32 970000
33 1000000
34 1300000
35 3100000
36 4900000
37 7000000
38 9700000
39 10000000

List of values

[1, 7, 10, 13, 31, 49, 70, 97, 100, 130, 310, 490, 700, 970, 1000, 1300, 3100, 4900, 7000, 9700, 10000, 13000, 31000, 49000, 70000, 97000, 100000, 130000, 310000, 490000, 700000, 970000, 1000000, 1300000, 3100000, 4900000, 7000000, 9700000, 10000000]

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

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