A271955 - cp's OEIS frontend

A271955 Somos's sequence {b(8,n)} defined in comment in A078495: a(0)=a(1)=...=a(18)=1; for n>=19, a(n)=(a(n-1)a(n-18)+a(n-9)a(n-10))/a(n-19).

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	1
14	1
15	1
16	1
17	1
18	1
19	2
20	3
21	4
22	5
23	6
24	7
25	8
26	9
27	10
28	12
29	18
30	30
31	50
32	80
33	122
34	178
35	250
36	340
37	800
38	1308
39	1924
40	2780
41	4136
42	6452
43	10476
44	17348
45	28720
46	61664
47	179696
48	439304
49	910464
50	1686704
51	2905792
52	4793624
53	7753616
54	12537856

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 18, 30, 50, 80, 122, 178, 250, 340, 800, 1308, 1924, 2780, 4136, 6452, 10476, 17348, 28720, 61664, 179696, 439304, 910464, 1686704, 2905792, 4793624, 7753616, 12537856]

cp's OEIS Frontend

A271955 Somos's sequence {b(8,n)} defined in comment in A078495: a(0)=a(1)=...=a(18)=1; for n>=19, a(n)=(a(n-1)a(n-18)+a(n-9)a(n-10))/a(n-19).

Table of values

List of values

cp's OEIS Frontend

A271955 Somos's sequence {b(8,n)} defined in comment in A078495: a(0)=a(1)=...=a(18)=1; for n>=19, a(n)=(a(n-1)*a(n-18)+a(n-9)*a(n-10))/a(n-19).

Table of values

List of values

A271955 Somos's sequence {b(8,n)} defined in comment in A078495: a(0)=a(1)=...=a(18)=1; for n>=19, a(n)=(a(n-1)a(n-18)+a(n-9)a(n-10))/a(n-19).