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.

A060923 Bisection of Lucas triangle A060922: even-indexed members of column sequences of A060922 (not counting leading zeros).

Table of values

n a(n)
0 1
1 4
2 1
3 11
4 17
5 1
6 29
7 80
8 39
9 1
10 76
11 303
12 315
13 70
14 1
15 199
16 1039
17 1687
18 905
19 110
20 1
21 521
22 3364
23 7470
24 6666
25 2120
26 159
27 1
28 1364
29 10493
30 29634
31 37580
32 20965
33 4311
34 217
35 1
36 3571
37 31885
38 109421
39 181074
40 148545

List of values

[1, 4, 1, 11, 17, 1, 29, 80, 39, 1, 76, 303, 315, 70, 1, 199, 1039, 1687, 905, 110, 1, 521, 3364, 7470, 6666, 2120, 159, 1, 1364, 10493, 29634, 37580, 20965, 4311, 217, 1, 3571, 31885, 109421, 181074, 148545]