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.

A169916 Squares in carryless arithmetic mod 10 with addition and multiplication of digits both defined to be addition mod 10.

Table of values

n a(n)
0 0
1 2
2 4
3 6
4 8
5 0
6 2
7 4
8 6
9 8
10 220
11 242
12 264
13 286
14 208
15 220
16 242
17 264
18 286
19 208
20 440
21 462
22 484
23 406
24 428
25 440
26 462
27 484
28 406
29 428
30 660
31 682
32 604
33 626
34 648
35 660
36 682
37 604
38 626
39 648
40 880
41 802
42 824
43 846
44 868
45 880
46 802
47 824
48 846
49 868
50 0
51 22
52 44
53 66
54 88
55 0
56 22
57 44
58 66
59 88
60 220
61 242

List of values

[0, 2, 4, 6, 8, 0, 2, 4, 6, 8, 220, 242, 264, 286, 208, 220, 242, 264, 286, 208, 440, 462, 484, 406, 428, 440, 462, 484, 406, 428, 660, 682, 604, 626, 648, 660, 682, 604, 626, 648, 880, 802, 824, 846, 868, 880, 802, 824, 846, 868, 0, 22, 44, 66, 88, 0, 22, 44, 66, 88, 220, 242]

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

Content is available under The OEIS End-User License Agreement.