A385142 - cp's OEIS frontend

A385142 a(n) = 4a(n-1) - 6a(n-2) + 4*a(n-3) - a(n-4) + a(n-5) with a(1) = a(2) = a(3) = 0, a(4) = 1, and a(5) = 3.

n	a(n)
1	0
2	0
3	0
4	1
5	3
6	6
7	10
8	15
9	22
10	35
11	64
12	129
13	265
14	529
15	1013
16	1873
17	3394
18	6126
19	11148
20	20552
21	38303
22	71760
23	134408
24	250880
25	466361
26	864339
27	1600062
28	2963186
29	5494247
30	10200142
31	18952107
32	35221440
33	65442625
34	121544393
35	225655617
36	418857277
37	777451793
38	1443184210
39	2679343966

[0, 0, 0, 1, 3, 6, 10, 15, 22, 35, 64, 129, 265, 529, 1013, 1873, 3394, 6126, 11148, 20552, 38303, 71760, 134408, 250880, 466361, 864339, 1600062, 2963186, 5494247, 10200142, 18952107, 35221440, 65442625, 121544393, 225655617, 418857277, 777451793, 1443184210, 2679343966]

cp's OEIS Frontend

A385142 a(n) = 4a(n-1) - 6a(n-2) + 4*a(n-3) - a(n-4) + a(n-5) with a(1) = a(2) = a(3) = 0, a(4) = 1, and a(5) = 3.

Table of values

List of values

cp's OEIS Frontend

A385142 a(n) = 4*a(n-1) - 6*a(n-2) + 4*a(n-3) - a(n-4) + a(n-5) with a(1) = a(2) = a(3) = 0, a(4) = 1, and a(5) = 3.

Table of values

List of values

A385142 a(n) = 4a(n-1) - 6a(n-2) + 4*a(n-3) - a(n-4) + a(n-5) with a(1) = a(2) = a(3) = 0, a(4) = 1, and a(5) = 3.