A025251 - cp's OEIS frontend

A025251 a(n) = a(1)a(n-1) + a(2)a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 0, 1, 2, 0.

n	a(n)
1	0
2	1
3	2
4	0
5	2
6	4
7	2
8	12
9	18
10	24
11	82
12	120
13	242
14	620
15	1010
16	2324
17	5154
18	9520
19	22178
20	46512
21	94178
22	214548
23	446690
24	952732
25	2122034
26	4475592
27	9776626
28	21491496
29	46096338
30	101585276
31	222360530
32	483573796
33	1068438594
34	2341596256
35	5140674882
36	11369018464

[0, 1, 2, 0, 2, 4, 2, 12, 18, 24, 82, 120, 242, 620, 1010, 2324, 5154, 9520, 22178, 46512, 94178, 214548, 446690, 952732, 2122034, 4475592, 9776626, 21491496, 46096338, 101585276, 222360530, 483573796, 1068438594, 2341596256, 5140674882, 11369018464]

cp's OEIS Frontend

A025251 a(n) = a(1)a(n-1) + a(2)a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 0, 1, 2, 0.

Table of values

List of values

cp's OEIS Frontend

A025251 a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 0, 1, 2, 0.

Table of values

List of values

A025251 a(n) = a(1)a(n-1) + a(2)a(n-2) + ... + a(n-3)*a(3) for n >= 4, with initial terms 0, 1, 2, 0.