A052973 - cp's OEIS frontend

A052973 Expansion of ( 1-x ) / ( 1-x-3*x^2+x^3 ).

n	a(n)
0	1
1	0
2	3
3	2
4	11
5	14
6	45
7	76
8	197
9	380
10	895
11	1838
12	4143
13	8762
14	19353
15	41496
16	90793
17	195928
18	426811
19	923802
20	2008307
21	4352902
22	9454021
23	20504420
24	44513581
25	96572820
26	209609143
27	454814022
28	987068631
29	2141901554
30	4648293425

[1, 0, 3, 2, 11, 14, 45, 76, 197, 380, 895, 1838, 4143, 8762, 19353, 41496, 90793, 195928, 426811, 923802, 2008307, 4352902, 9454021, 20504420, 44513581, 96572820, 209609143, 454814022, 987068631, 2141901554, 4648293425]

cp's OEIS Frontend

A052973 Expansion of ( 1-x ) / ( 1-x-3*x^2+x^3 ).

Table of values

List of values