A281485 - cp's OEIS frontend

A281485 Triangular array T(n,k) = k Sum_{j=0..k-1} (-1)^j binomial(k-1,j) (n-1-j)^(n-1), 1<=k<=n, read by rows.

n	a(n)
1	1
2	1
3	2
4	4
5	6
6	6
7	27
8	38
9	36
10	24
11	256
12	350
13	330
14	240
15	120
16	3125
17	4202
18	3960
19	3000
20	1800
21	720
22	46656
23	62062
24	58506
25	45360
26	29400
27	15120
28	5040
29	823543
30	1087214
31	1025388
32	806904
33	546000
34	312480
35	141120
36	40320
37	16777216
38	22024830
39	20781690
40	16524144
41	11493720
42	6985440
43	3598560
44	1451520
45	362880

[1, 1, 2, 4, 6, 6, 27, 38, 36, 24, 256, 350, 330, 240, 120, 3125, 4202, 3960, 3000, 1800, 720, 46656, 62062, 58506, 45360, 29400, 15120, 5040, 823543, 1087214, 1025388, 806904, 546000, 312480, 141120, 40320, 16777216, 22024830, 20781690, 16524144, 11493720, 6985440, 3598560, 1451520, 362880]

cp's OEIS Frontend

A281485 Triangular array T(n,k) = k Sum_{j=0..k-1} (-1)^j binomial(k-1,j) (n-1-j)^(n-1), 1<=k<=n, read by rows.

Table of values

List of values