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.

A317100 Number of series-reduced planted achiral trees with n leaves spanning an initial interval of positive integers.

Table of values

n a(n)
1 1
2 3
3 5
4 12
5 17
6 41
7 65
8 144
9 262
10 533
11 1025
12 2110
13 4097
14 8261
15 16407
16 32928
17 65537
18 131384
19 262145
20 524854
21 1048647
22 2098181
23 4194305
24 8390924
25 16777234
26 33558533
27 67109132
28 134226070
29 268435457
30 536887919
31 1073741825
32 2147516736
33 4294968327
34 8590000133

List of values

[1, 3, 5, 12, 17, 41, 65, 144, 262, 533, 1025, 2110, 4097, 8261, 16407, 32928, 65537, 131384, 262145, 524854, 1048647, 2098181, 4194305, 8390924, 16777234, 33558533, 67109132, 134226070, 268435457, 536887919, 1073741825, 2147516736, 4294968327, 8590000133]

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

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