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.

A344822 Numbers m with decimal expansion (d_1, ..., d_k) such that d_i = m * i mod 10 for i = 1..k.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 4
6 5
7 6
8 7
9 8
10 9
11 505
12 50505
13 246802
14 482604
15 628406
16 864208
17 5050505
18 505050505
19 12345678901
20 24680246802
21 36925814703
22 48260482604
23 50505050505
24 62840628406
25 74185296307
26 86420864208
27 98765432109
28 5050505050505
29 505050505050505
30 2468024680246802

List of values

[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 505, 50505, 246802, 482604, 628406, 864208, 5050505, 505050505, 12345678901, 24680246802, 36925814703, 48260482604, 50505050505, 62840628406, 74185296307, 86420864208, 98765432109, 5050505050505, 505050505050505, 2468024680246802]

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

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