A199656 - cp's OEIS frontend

A199656 Triangular array read by rows, T(n,k) is the number of functions from {1,2,...,n} into {1,2,...,n} with maximum value of k.

n	a(n)
1	1
2	1
3	3
4	1
5	7
6	19
7	1
8	15
9	65
10	175
11	1
12	31
13	211
14	781
15	2101
16	1
17	63
18	665
19	3367
20	11529
21	31031
22	1
23	127
24	2059
25	14197
26	61741
27	201811
28	543607
29	1
30	255
31	6305
32	58975
33	325089
34	1288991
35	4085185
36	11012415
37	1
38	511
39	19171
40	242461
41	1690981
42	8124571
43	30275911
44	93864121
45	253202761

[1, 1, 3, 1, 7, 19, 1, 15, 65, 175, 1, 31, 211, 781, 2101, 1, 63, 665, 3367, 11529, 31031, 1, 127, 2059, 14197, 61741, 201811, 543607, 1, 255, 6305, 58975, 325089, 1288991, 4085185, 11012415, 1, 511, 19171, 242461, 1690981, 8124571, 30275911, 93864121, 253202761]

cp's OEIS Frontend

A199656 Triangular array read by rows, T(n,k) is the number of functions from {1,2,...,n} into {1,2,...,n} with maximum value of k.

Table of values

List of values