A109537 - cp's OEIS frontend

A109537 a(0)=a(1)=a(2)=a(3)=a(4)=a(5)=1; a(n)=a(n-1)+a(n-2)-a(n-4)+a(n-6) for n>=6.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	2
7	3
8	5
9	8
10	12
11	18
12	27
13	40
14	60
15	90
16	135
17	203
18	305
19	458
20	688
21	1033
22	1551
23	2329
24	3497
25	5251
26	7885
27	11840
28	17779
29	26697
30	40088
31	60196
32	90390
33	135729
34	203810
35	306040
36	459548
37	690055
38	1036183
39	1555927
40	2336372
41	3508284
42	5268021
43	7910433

[1, 1, 1, 1, 1, 1, 2, 3, 5, 8, 12, 18, 27, 40, 60, 90, 135, 203, 305, 458, 688, 1033, 1551, 2329, 3497, 5251, 7885, 11840, 17779, 26697, 40088, 60196, 90390, 135729, 203810, 306040, 459548, 690055, 1036183, 1555927, 2336372, 3508284, 5268021, 7910433]

cp's OEIS Frontend

A109537 a(0)=a(1)=a(2)=a(3)=a(4)=a(5)=1; a(n)=a(n-1)+a(n-2)-a(n-4)+a(n-6) for n>=6.

Table of values

List of values