A006053 - cp's OEIS frontend

A006053 a(n) = a(n-1) + 2*a(n-2) - a(n-3), with a(0) = a(1) = 0, a(2) = 1.

n	a(n)
0	0
1	0
2	1
3	1
4	3
5	4
6	9
7	14
8	28
9	47
10	89
11	155
12	286
13	507
14	924
15	1652
16	2993
17	5373
18	9707
19	17460
20	31501
21	56714
22	102256
23	184183
24	331981
25	598091
26	1077870
27	1942071
28	3499720
29	6305992
30	11363361
31	20475625
32	36896355
33	66484244
34	119801329
35	215873462
36	388991876
37	700937471

[0, 0, 1, 1, 3, 4, 9, 14, 28, 47, 89, 155, 286, 507, 924, 1652, 2993, 5373, 9707, 17460, 31501, 56714, 102256, 184183, 331981, 598091, 1077870, 1942071, 3499720, 6305992, 11363361, 20475625, 36896355, 66484244, 119801329, 215873462, 388991876, 700937471]

cp's OEIS Frontend

A006053 a(n) = a(n-1) + 2*a(n-2) - a(n-3), with a(0) = a(1) = 0, a(2) = 1.

Table of values

List of values