A171631 - cp's OEIS frontend

A171631 Triangle read by rows: T(n,k) = n(binomial(n-2, k-1) + nbinomial(n-2, k)), n > 0 and 0 <= k <= n - 1.

n	a(n)
1	1
2	4
3	2
4	9
5	12
6	3
7	16
8	36
9	24
10	4
11	25
12	80
13	90
14	40
15	5
16	36
17	150
18	240
19	180
20	60
21	6
22	49
23	252
24	525
25	560
26	315
27	84
28	7
29	64
30	392
31	1008
32	1400
33	1120
34	504
35	112
36	8
37	81
38	576
39	1764
40	3024
41	3150
42	2016
43	756
44	144
45	9
46	100
47	810
48	2880
49	5880
50	7560
51	6300
52	3360
53	1080
54	180
55	10
56	121
57	1100

[1, 4, 2, 9, 12, 3, 16, 36, 24, 4, 25, 80, 90, 40, 5, 36, 150, 240, 180, 60, 6, 49, 252, 525, 560, 315, 84, 7, 64, 392, 1008, 1400, 1120, 504, 112, 8, 81, 576, 1764, 3024, 3150, 2016, 756, 144, 9, 100, 810, 2880, 5880, 7560, 6300, 3360, 1080, 180, 10, 121, 1100]

cp's OEIS Frontend

A171631 Triangle read by rows: T(n,k) = n(binomial(n-2, k-1) + nbinomial(n-2, k)), n > 0 and 0 <= k <= n - 1.

Table of values

List of values

cp's OEIS Frontend

A171631 Triangle read by rows: T(n,k) = n*(binomial(n-2, k-1) + n*binomial(n-2, k)), n > 0 and 0 <= k <= n - 1.

Table of values

List of values

A171631 Triangle read by rows: T(n,k) = n(binomial(n-2, k-1) + nbinomial(n-2, k)), n > 0 and 0 <= k <= n - 1.