A271949 - cp's OEIS frontend

A271949 Somos's sequence {b(4,n)} defined in comment in A078495: a(0)=a(1)=...=a(10)=1; for n>=11, a(n)=(a(n-1)a(n-10)+a(n-5)a(n-6))/a(n-11).

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	2
12	3
13	4
14	5
15	6
16	8
17	14
18	26
19	46
20	76
21	200
22	356
23	596
24	1044
25	1952
26	5136
27	17888
28	48376
29	109520
30	225248
31	724672
32	1749280
33	5359328
34	18277312
35	57803136
36	235710976
37	1067767168
38	3411743616
39	9748806656
40	29696723456
41	156028988416

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 8, 14, 26, 46, 76, 200, 356, 596, 1044, 1952, 5136, 17888, 48376, 109520, 225248, 724672, 1749280, 5359328, 18277312, 57803136, 235710976, 1067767168, 3411743616, 9748806656, 29696723456, 156028988416]

cp's OEIS Frontend

A271949 Somos's sequence {b(4,n)} defined in comment in A078495: a(0)=a(1)=...=a(10)=1; for n>=11, a(n)=(a(n-1)a(n-10)+a(n-5)a(n-6))/a(n-11).

Table of values

List of values

cp's OEIS Frontend

A271949 Somos's sequence {b(4,n)} defined in comment in A078495: a(0)=a(1)=...=a(10)=1; for n>=11, a(n)=(a(n-1)*a(n-10)+a(n-5)*a(n-6))/a(n-11).

Table of values

List of values

A271949 Somos's sequence {b(4,n)} defined in comment in A078495: a(0)=a(1)=...=a(10)=1; for n>=11, a(n)=(a(n-1)a(n-10)+a(n-5)a(n-6))/a(n-11).