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.

A246834 A(n,k) is the concatenation of n and k*n in binary; square array A(n,k), n>=0, k>=0, read by antidiagonals.

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 3
5 2
6 0
7 6
8 10
9 3
10 0
11 7
12 20
13 15
14 4
15 0
16 12
17 22
18 30
19 36
20 5
21 0
22 13
23 40
24 57
25 72
26 45
27 6
28 0
29 14
30 42
31 60
32 76
33 90
34 54
35 7
36 0
37 15
38 44
39 63
40 144
41 95
42 108
43 63
44 8
45 0
46 24
47 46
48 114
49 148
50 180
51 210
52 126
53 136
54 9
55 0
56 25
57 80
58 117
59 152
60 185
61 216
62 245
63 272
64 153
65 10

List of values

[0, 0, 1, 0, 3, 2, 0, 6, 10, 3, 0, 7, 20, 15, 4, 0, 12, 22, 30, 36, 5, 0, 13, 40, 57, 72, 45, 6, 0, 14, 42, 60, 76, 90, 54, 7, 0, 15, 44, 63, 144, 95, 108, 63, 8, 0, 24, 46, 114, 148, 180, 210, 126, 136, 9, 0, 25, 80, 117, 152, 185, 216, 245, 272, 153, 10]

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

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