A295728 - cp's OEIS frontend

A295728 a(n) = a(n-1) + 3a(n-2) -2a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -1, a(2) = 1, a(3) = 1.

n	a(n)
0	1
1	-1
2	1
3	1
4	4
5	7
6	15
7	26
8	49
9	83
10	148
11	247
12	427
13	706
14	1197
15	1967
16	3292
17	5387
18	8935
19	14578
20	24025
21	39115
22	64164
23	104303
24	170515
25	276866
26	451477
27	732439
28	1192108
29	1932739
30	3141231
31	5090354
32	8264353
33	13387475
34	21717364
35	35170375
36	57018811
37	92320258
38	149601213

[1, -1, 1, 1, 4, 7, 15, 26, 49, 83, 148, 247, 427, 706, 1197, 1967, 3292, 5387, 8935, 14578, 24025, 39115, 64164, 104303, 170515, 276866, 451477, 732439, 1192108, 1932739, 3141231, 5090354, 8264353, 13387475, 21717364, 35170375, 57018811, 92320258, 149601213]

cp's OEIS Frontend

A295728 a(n) = a(n-1) + 3a(n-2) -2a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -1, a(2) = 1, a(3) = 1.

Table of values

List of values

cp's OEIS Frontend

A295728 a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -1, a(2) = 1, a(3) = 1.

Table of values

List of values

A295728 a(n) = a(n-1) + 3a(n-2) -2a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -1, a(2) = 1, a(3) = 1.