A018896 - cp's OEIS frontend

A018896 a(n) = ( a(n-1)*a(n-7) + a(n-4)^2 ) / a(n-8); a(0) = ... = a(7) = 1.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	2
9	3
10	4
11	5
12	9
13	18
14	34
15	93
16	180
17	348
18	724
19	3033
20	9666
21	24986
22	83761
23	261033
24	1023728
25	3923791
26	26128126
27	105734485
28	381740209
29	1895904805
30	14058722881
31	97964968321
32	517832518189
33	4364261070929
34	25225712161101
35	181840424632390

[1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 9, 18, 34, 93, 180, 348, 724, 3033, 9666, 24986, 83761, 261033, 1023728, 3923791, 26128126, 105734485, 381740209, 1895904805, 14058722881, 97964968321, 517832518189, 4364261070929, 25225712161101, 181840424632390]

cp's OEIS Frontend

A018896 a(n) = ( a(n-1)*a(n-7) + a(n-4)^2 ) / a(n-8); a(0) = ... = a(7) = 1.

Table of values

List of values