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.

A009441 a(n) is the concatenation of n and 7n.

Table of values

n a(n)
1 17
2 214
3 321
4 428
5 535
6 642
7 749
8 856
9 963
10 1070
11 1177
12 1284
13 1391
14 1498
15 15105
16 16112
17 17119
18 18126
19 19133
20 20140
21 21147
22 22154
23 23161
24 24168
25 25175
26 26182
27 27189
28 28196
29 29203
30 30210
31 31217
32 32224
33 33231
34 34238
35 35245
36 36252
37 37259
38 38266
39 39273
40 40280

List of values

[17, 214, 321, 428, 535, 642, 749, 856, 963, 1070, 1177, 1284, 1391, 1498, 15105, 16112, 17119, 18126, 19133, 20140, 21147, 22154, 23161, 24168, 25175, 26182, 27189, 28196, 29203, 30210, 31217, 32224, 33231, 34238, 35245, 36252, 37259, 38266, 39273, 40280]

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

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