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.

A169677 The first of a pair of sequences A and B with property that all the differences |a_i - b_j| are distinct - for precise definition see Comments lines.

Table of values

n a(n)
1 0
2 1
3 7
4 18
5 35
6 59
7 88
8 125
9 178
10 233
11 285
12 344
13 352
14 442
15 557
16 675
17 796
18 797
19 957
20 1011
21 1220
22 1411
23 1564
24 1579
25 1888
26 2120
27 2152
28 2503
29 2829
30 2953
31 3393
32 3464
33 3593
34 3724
35 4237
36 4956
37 5310
38 5388
39 5968
40 6478
41 6756
42 7344
43 7698
44 8004
45 8182

List of values

[0, 1, 7, 18, 35, 59, 88, 125, 178, 233, 285, 344, 352, 442, 557, 675, 796, 797, 957, 1011, 1220, 1411, 1564, 1579, 1888, 2120, 2152, 2503, 2829, 2953, 3393, 3464, 3593, 3724, 4237, 4956, 5310, 5388, 5968, 6478, 6756, 7344, 7698, 8004, 8182]