A134171 - cp's OEIS frontend

A134171 a(n) = (9/2)(n-1)(n-2)*(n-3).

n	a(n)
1	0
2	0
3	0
4	27
5	108
6	270
7	540
8	945
9	1512
10	2268
11	3240
12	4455
13	5940
14	7722
15	9828
16	12285
17	15120
18	18360
19	22032
20	26163
21	30780
22	35910
23	41580
24	47817
25	54648
26	62100
27	70200
28	78975
29	88452
30	98658
31	109620
32	121365
33	133920
34	147312
35	161568
36	176715
37	192780
38	209790
39	227772
40	246753

[0, 0, 0, 27, 108, 270, 540, 945, 1512, 2268, 3240, 4455, 5940, 7722, 9828, 12285, 15120, 18360, 22032, 26163, 30780, 35910, 41580, 47817, 54648, 62100, 70200, 78975, 88452, 98658, 109620, 121365, 133920, 147312, 161568, 176715, 192780, 209790, 227772, 246753]

cp's OEIS Frontend

A134171 a(n) = (9/2)(n-1)(n-2)*(n-3).

Table of values

List of values

cp's OEIS Frontend

A134171 a(n) = (9/2)*(n-1)*(n-2)*(n-3).

Table of values

List of values

A134171 a(n) = (9/2)(n-1)(n-2)*(n-3).