A227999 - cp's OEIS frontend

A227999 a(n) = (a(n-1) * a(n-5) + a(n-2) * a(n-4) + a(n-3)^2) / a(n-6), a(0) = a(1) = a(2) = a(3) = 1, a(4) = a(5) = 2.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	2
6	5
7	11
8	25
9	97
10	220
11	1396
12	6053
13	30467
14	249431
15	1381913
16	19850884
17	160799404
18	1942868797
19	36133524445
20	458473480079
21	13521902050025
22	220176552243482
23	7006033824529130
24	276364333237297549
25	7470025110120086101
26	460097285931623600317
27	17010560092754291510533
28	1372227474279446678113082

[1, 1, 1, 1, 2, 2, 5, 11, 25, 97, 220, 1396, 6053, 30467, 249431, 1381913, 19850884, 160799404, 1942868797, 36133524445, 458473480079, 13521902050025, 220176552243482, 7006033824529130, 276364333237297549, 7470025110120086101, 460097285931623600317, 17010560092754291510533, 1372227474279446678113082]

cp's OEIS Frontend

A227999 a(n) = (a(n-1) * a(n-5) + a(n-2) * a(n-4) + a(n-3)^2) / a(n-6), a(0) = a(1) = a(2) = a(3) = 1, a(4) = a(5) = 2.

Table of values

List of values