A135248 - cp's OEIS frontend

A135248 a(n) = 4a(n-1) - 4a(n-2) + 2*a(n-4), with a(0)=a(1)=a(2)=0, and a(3)=1.

n	a(n)
0	0
1	0
2	0
3	1
4	4
5	12
6	32
7	82
8	208
9	528
10	1344
11	3428
12	8752
13	22352
14	57088
15	145800
16	372352
17	950912
18	2428416
19	6201616
20	15837504
21	40445376
22	103288320
23	263775008
24	673621760
25	1720277760
26	4393200640
27	11219241536
28	28651407104
29	73169217792
30	186857644032
31	477192188032

[0, 0, 0, 1, 4, 12, 32, 82, 208, 528, 1344, 3428, 8752, 22352, 57088, 145800, 372352, 950912, 2428416, 6201616, 15837504, 40445376, 103288320, 263775008, 673621760, 1720277760, 4393200640, 11219241536, 28651407104, 73169217792, 186857644032, 477192188032]

cp's OEIS Frontend

A135248 a(n) = 4a(n-1) - 4a(n-2) + 2*a(n-4), with a(0)=a(1)=a(2)=0, and a(3)=1.

Table of values

List of values

cp's OEIS Frontend

A135248 a(n) = 4*a(n-1) - 4*a(n-2) + 2*a(n-4), with a(0)=a(1)=a(2)=0, and a(3)=1.

Table of values

List of values

A135248 a(n) = 4a(n-1) - 4a(n-2) + 2*a(n-4), with a(0)=a(1)=a(2)=0, and a(3)=1.