A071207 - cp's OEIS frontend

A071207 Triangular array T(n,k) read by rows, giving number of rooted trees on the vertex set {1..n+1} where k children of the root have a label smaller than the label of the root.

n	a(n)
0	1
1	1
2	1
3	4
4	4
5	1
6	27
7	27
8	9
9	1
10	256
11	256
12	96
13	16
14	1
15	3125
16	3125
17	1250
18	250
19	25
20	1
21	46656
22	46656
23	19440
24	4320
25	540
26	36
27	1
28	823543
29	823543
30	352947
31	84035
32	12005
33	1029
34	49
35	1
36	16777216
37	16777216
38	7340032
39	1835008
40	286720
41	28672
42	1792
43	64
44	1
45	387420489

[1, 1, 1, 4, 4, 1, 27, 27, 9, 1, 256, 256, 96, 16, 1, 3125, 3125, 1250, 250, 25, 1, 46656, 46656, 19440, 4320, 540, 36, 1, 823543, 823543, 352947, 84035, 12005, 1029, 49, 1, 16777216, 16777216, 7340032, 1835008, 286720, 28672, 1792, 64, 1, 387420489]

cp's OEIS Frontend

A071207 Triangular array T(n,k) read by rows, giving number of rooted trees on the vertex set {1..n+1} where k children of the root have a label smaller than the label of the root.

Table of values

List of values