A295730 - cp's OEIS frontend

A295730 a(n) = a(n-1) + 3a(n-2) -2a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = 0, a(2) = 0, a(3) = 1.

n	a(n)
0	-1
1	0
2	0
3	1
4	3
5	6
6	13
7	23
8	44
9	75
10	135
11	226
12	393
13	651
14	1108
15	1823
16	3059
17	5010
18	8325
19	13591
20	22428
21	36531
22	59983
23	97538
24	159569
25	259155
26	422820
27	686071
28	1117083
29	1811346
30	2944813
31	4772543
32	7750124
33	12555435
34	20371095
35	32992066
36	53494233
37	86617371
38	140373748

[-1, 0, 0, 1, 3, 6, 13, 23, 44, 75, 135, 226, 393, 651, 1108, 1823, 3059, 5010, 8325, 13591, 22428, 36531, 59983, 97538, 159569, 259155, 422820, 686071, 1117083, 1811346, 2944813, 4772543, 7750124, 12555435, 20371095, 32992066, 53494233, 86617371, 140373748]

cp's OEIS Frontend

A295730 a(n) = a(n-1) + 3a(n-2) -2a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = 0, a(2) = 0, a(3) = 1.

Table of values

List of values

cp's OEIS Frontend

A295730 a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = 0, a(2) = 0, a(3) = 1.

Table of values

List of values

A295730 a(n) = a(n-1) + 3a(n-2) -2a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = 0, a(2) = 0, a(3) = 1.