A209327 - cp's OEIS frontend

A209327 Total number of nodes in the largest connected component of a functional digraph summed over all endofunctions f:{1,2,...,n}-> {1,2,...,n}.

n	a(n)
1	1
2	7
3	70
4	863
5	13056
6	231187
7	4737986
8	109531991
9	2835638008
10	80950287311
11	2533758258912
12	86089196479255
13	3161596017956936
14	124590870125959343
15	5251666647713483356
16	235497961945975068767
17	11205025852314462333408
18	563351626162952600815087
19	29864689571162209608920060
20	1663796497123214306448307031

[1, 7, 70, 863, 13056, 231187, 4737986, 109531991, 2835638008, 80950287311, 2533758258912, 86089196479255, 3161596017956936, 124590870125959343, 5251666647713483356, 235497961945975068767, 11205025852314462333408, 563351626162952600815087, 29864689571162209608920060, 1663796497123214306448307031]

cp's OEIS Frontend

A209327 Total number of nodes in the largest connected component of a functional digraph summed over all endofunctions f:{1,2,...,n}-> {1,2,...,n}.

Table of values

List of values