A180670 - cp's OEIS frontend

A180670 a(n) = a(n-1)+a(n-2)+a(n-3)+(8n^3-48n^2+112*n-96)/3 with a(0)=0, a(1)=0 and a(2)=1.

n	a(n)
0	0
1	0
2	1
3	9
4	42
5	140
6	383
7	925
8	2056
9	4316
10	8705
11	17069
12	32810
13	62192
14	116743
15	217673
16	404000
17	747496
18	1380177
19	2544865
20	4688186
21	8631620
22	15886111
23	29230725
24	53776968
25	98926372
26	181971057
27	334716197
28	615660634
29	1132400520

[0, 0, 1, 9, 42, 140, 383, 925, 2056, 4316, 8705, 17069, 32810, 62192, 116743, 217673, 404000, 747496, 1380177, 2544865, 4688186, 8631620, 15886111, 29230725, 53776968, 98926372, 181971057, 334716197, 615660634, 1132400520]

cp's OEIS Frontend

A180670 a(n) = a(n-1)+a(n-2)+a(n-3)+(8n^3-48n^2+112*n-96)/3 with a(0)=0, a(1)=0 and a(2)=1.

Table of values

List of values

cp's OEIS Frontend

A180670 a(n) = a(n-1)+a(n-2)+a(n-3)+(8*n^3-48*n^2+112*n-96)/3 with a(0)=0, a(1)=0 and a(2)=1.

Table of values

List of values

A180670 a(n) = a(n-1)+a(n-2)+a(n-3)+(8n^3-48n^2+112*n-96)/3 with a(0)=0, a(1)=0 and a(2)=1.