A120892 - cp's OEIS frontend

A120892 a(n)=3a(n-1)+3a(n-2)-a(n-3);a(0)=1,a(1)=0,a(2)=3. a(n)=4*{a(n-1)+(-1)^n}-a(n-2);a(0)=1,a(1)=0.

n	a(n)
0	1
1	0
2	3
3	8
4	33
5	120
6	451
7	1680
8	6273
9	23408
10	87363
11	326040
12	1216801
13	4541160
14	16947843
15	63250208
16	236052993
17	880961760
18	3287794051
19	12270214440
20	45793063713
21	170902040408
22	637815097923
23	2380358351280
24	8883618307201

[1, 0, 3, 8, 33, 120, 451, 1680, 6273, 23408, 87363, 326040, 1216801, 4541160, 16947843, 63250208, 236052993, 880961760, 3287794051, 12270214440, 45793063713, 170902040408, 637815097923, 2380358351280, 8883618307201]

cp's OEIS Frontend

A120892 a(n)=3a(n-1)+3a(n-2)-a(n-3);a(0)=1,a(1)=0,a(2)=3. a(n)=4*{a(n-1)+(-1)^n}-a(n-2);a(0)=1,a(1)=0.

Table of values

List of values

cp's OEIS Frontend

A120892 a(n)=3*a(n-1)+3*a(n-2)-a(n-3);a(0)=1,a(1)=0,a(2)=3. a(n)=4*{a(n-1)+(-1)^n}-a(n-2);a(0)=1,a(1)=0.

Table of values

List of values

A120892 a(n)=3a(n-1)+3a(n-2)-a(n-3);a(0)=1,a(1)=0,a(2)=3. a(n)=4*{a(n-1)+(-1)^n}-a(n-2);a(0)=1,a(1)=0.