A254076 - cp's OEIS frontend

A254076 a(n) = 2a(n-1) + a(n-2) - 2a(n-3) for n>2, a(0)=-1, a(1)=-2, a(2)=-4.

n	a(n)
0	-1
1	-2
2	-4
3	1
4	2
5	13
6	26
7	61
8	122
9	253
10	506
11	1021
12	2042
13	4093
14	8186
15	16381
16	32762
17	65533
18	131066
19	262141
20	524282
21	1048573
22	2097146
23	4194301
24	8388602
25	16777213
26	33554426
27	67108861
28	134217722
29	268435453
30	536870906
31	1073741821
32	2147483642
33	4294967293

[-1, -2, -4, 1, 2, 13, 26, 61, 122, 253, 506, 1021, 2042, 4093, 8186, 16381, 32762, 65533, 131066, 262141, 524282, 1048573, 2097146, 4194301, 8388602, 16777213, 33554426, 67108861, 134217722, 268435453, 536870906, 1073741821, 2147483642, 4294967293]

cp's OEIS Frontend

A254076 a(n) = 2a(n-1) + a(n-2) - 2a(n-3) for n>2, a(0)=-1, a(1)=-2, a(2)=-4.

Table of values

List of values

cp's OEIS Frontend

A254076 a(n) = 2*a(n-1) + a(n-2) - 2*a(n-3) for n>2, a(0)=-1, a(1)=-2, a(2)=-4.

Table of values

List of values

A254076 a(n) = 2a(n-1) + a(n-2) - 2a(n-3) for n>2, a(0)=-1, a(1)=-2, a(2)=-4.