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.

A218791 a(n) = binary code (shown here in decimal) of the position of the predecessor of the natural number pair (2n,2n+1) in the compact beanstalk-tree A218780.

Table of values

n a(n)
1 1
2 2
3 6
4 10
5 26
6 58
7 42
8 74
9 202
10 458
11 330
12 842
13 586
14 1354
15 1610
16 2634
17 6730
18 14922
19 10826
20 27210
21 19018
22 43594
23 51786
24 117322
25 84554
26 182858
27 215626
28 313930
29 477770
30 838218
31 576074
32 1100362
33 3197514
34 7391818
35 5294666
36 13683274
37 9488970
38 22071882
39 26266186

List of values

[1, 2, 6, 10, 26, 58, 42, 74, 202, 458, 330, 842, 586, 1354, 1610, 2634, 6730, 14922, 10826, 27210, 19018, 43594, 51786, 117322, 84554, 182858, 215626, 313930, 477770, 838218, 576074, 1100362, 3197514, 7391818, 5294666, 13683274, 9488970, 22071882, 26266186]