A025246 - cp's OEIS frontend

A025246 a(n) = a(1)a(n-1) + a(2)a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 1, 0, 1, 1.

n	a(n)
1	1
2	0
3	1
4	1
5	1
6	2
7	4
8	7
9	13
10	26
11	52
12	104
13	212
14	438
15	910
16	1903
17	4009
18	8494
19	18080
20	38656
21	82988
22	178802
23	386490
24	837928
25	1821664
26	3970282
27	8673258
28	18987930
29	41652382
30	91539466
31	201525238
32	444379907
33	981384125
34	2170416738
35	4806513660
36	10657780276

[1, 0, 1, 1, 1, 2, 4, 7, 13, 26, 52, 104, 212, 438, 910, 1903, 4009, 8494, 18080, 38656, 82988, 178802, 386490, 837928, 1821664, 3970282, 8673258, 18987930, 41652382, 91539466, 201525238, 444379907, 981384125, 2170416738, 4806513660, 10657780276]

cp's OEIS Frontend

A025246 a(n) = a(1)a(n-1) + a(2)a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 1, 0, 1, 1.

Table of values

List of values

cp's OEIS Frontend

A025246 a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 1, 0, 1, 1.

Table of values

List of values

A025246 a(n) = a(1)a(n-1) + a(2)a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 1, 0, 1, 1.