A293014 - cp's OEIS frontend

A293014 a(n) = a(n-1) + a(n-2) - a(n-3) + a(n-4) for n > 4, where a(n)=0 for n < 4 and a(4) = 1.

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	1
6	2
7	2
8	4
9	6
10	11
11	17
12	28
13	44
14	72
15	116
16	189
17	305
18	494
19	798
20	1292
21	2090
22	3383
23	5473
24	8856
25	14328
26	23184
27	37512
28	60697
29	98209
30	158906
31	257114
32	416020
33	673134
34	1089155
35	1762289
36	2851444
37	4613732
38	7465176
39	12078908

[0, 0, 0, 0, 1, 1, 2, 2, 4, 6, 11, 17, 28, 44, 72, 116, 189, 305, 494, 798, 1292, 2090, 3383, 5473, 8856, 14328, 23184, 37512, 60697, 98209, 158906, 257114, 416020, 673134, 1089155, 1762289, 2851444, 4613732, 7465176, 12078908]

cp's OEIS Frontend

A293014 a(n) = a(n-1) + a(n-2) - a(n-3) + a(n-4) for n > 4, where a(n)=0 for n < 4 and a(4) = 1.

Table of values

List of values