A273655 - cp's OEIS frontend

A273655 Number of forests of labeled rooted trees of height at most 1, with n labels, five of which are used for root nodes and any root may contain >= 1 labels.

n	a(n)
5	52
6	906
7	9891
8	87416
9	686826
10	5020092
11	35006202
12	236460312
13	1562226237
14	10158790642
15	65294141913
16	415967090448
17	2631510433188
18	16551428673528
19	103578621308388
20	645186720537744
21	4000912828433199
22	24700465510596414
23	151810205132056779
24	928768921758036744

[52, 906, 9891, 87416, 686826, 5020092, 35006202, 236460312, 1562226237, 10158790642, 65294141913, 415967090448, 2631510433188, 16551428673528, 103578621308388, 645186720537744, 4000912828433199, 24700465510596414, 151810205132056779, 928768921758036744]

cp's OEIS Frontend

A273655 Number of forests of labeled rooted trees of height at most 1, with n labels, five of which are used for root nodes and any root may contain >= 1 labels.

Table of values

List of values