A052937 - cp's OEIS frontend

A052937 Expansion of (2-3x-x^2)/((1-x)(1-2*x-x^2)).

n	a(n)
0	2
1	3
2	6
3	13
4	30
5	71
6	170
7	409
8	986
9	2379
10	5742
11	13861
12	33462
13	80783
14	195026
15	470833
16	1136690
17	2744211
18	6625110
19	15994429
20	38613966
21	93222359
22	225058682
23	543339721
24	1311738122
25	3166815963
26	7645370046
27	18457556053
28	44560482150
29	107578520351
30	259717522850

[2, 3, 6, 13, 30, 71, 170, 409, 986, 2379, 5742, 13861, 33462, 80783, 195026, 470833, 1136690, 2744211, 6625110, 15994429, 38613966, 93222359, 225058682, 543339721, 1311738122, 3166815963, 7645370046, 18457556053, 44560482150, 107578520351, 259717522850]

cp's OEIS Frontend

A052937 Expansion of (2-3x-x^2)/((1-x)(1-2*x-x^2)).

Table of values

List of values

cp's OEIS Frontend

A052937 Expansion of (2-3*x-x^2)/((1-x)*(1-2*x-x^2)).

Table of values

List of values

A052937 Expansion of (2-3x-x^2)/((1-x)(1-2*x-x^2)).