A131885 - cp's OEIS frontend

A131885 a(n) = 4a(n-1) - 6a(n-2) + 4*a(n-3) for n >= 4 starting with a(0) = 1, a(1) = 2, a(2) = 4, and a(3) = 6.

n	a(n)
0	1
1	2
2	4
3	6
4	8
5	12
6	24
7	56
8	128
9	272
10	544
11	1056
12	2048
13	4032
14	8064
15	16256
16	32768
17	65792
18	131584
19	262656
20	524288
21	1047552
22	2095104
23	4192256
24	8388608
25	16781312
26	33562624
27	67117056
28	134217728
29	268419072
30	536838144
31	1073709056
32	2147483648
33	4295032832
34	8590065664

[1, 2, 4, 6, 8, 12, 24, 56, 128, 272, 544, 1056, 2048, 4032, 8064, 16256, 32768, 65792, 131584, 262656, 524288, 1047552, 2095104, 4192256, 8388608, 16781312, 33562624, 67117056, 134217728, 268419072, 536838144, 1073709056, 2147483648, 4295032832, 8590065664]

cp's OEIS Frontend

A131885 a(n) = 4a(n-1) - 6a(n-2) + 4*a(n-3) for n >= 4 starting with a(0) = 1, a(1) = 2, a(2) = 4, and a(3) = 6.

Table of values

List of values

cp's OEIS Frontend

A131885 a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) for n >= 4 starting with a(0) = 1, a(1) = 2, a(2) = 4, and a(3) = 6.

Table of values

List of values

A131885 a(n) = 4a(n-1) - 6a(n-2) + 4*a(n-3) for n >= 4 starting with a(0) = 1, a(1) = 2, a(2) = 4, and a(3) = 6.