A052705 - cp's OEIS frontend

A052705 Expansion of 2x^2/(1 - 2x - 2x^2 + sqrt(1 - 4x - 4*x^2)).

n	a(n)
0	0
1	0
2	1
3	2
4	7
5	24
6	89
7	342
8	1355
9	5492
10	22669
11	94962
12	402703
13	1725424
14	7458065
15	32482798
16	142414867
17	628037612
18	2783922197
19	12397342698
20	55436525591
21	248819728360
22	1120584933401
23	5062273384422
24	22933667676187

[0, 0, 1, 2, 7, 24, 89, 342, 1355, 5492, 22669, 94962, 402703, 1725424, 7458065, 32482798, 142414867, 628037612, 2783922197, 12397342698, 55436525591, 248819728360, 1120584933401, 5062273384422, 22933667676187]

cp's OEIS Frontend

A052705 Expansion of 2x^2/(1 - 2x - 2x^2 + sqrt(1 - 4x - 4*x^2)).

Table of values

List of values

cp's OEIS Frontend

A052705 Expansion of 2*x^2/(1 - 2*x - 2*x^2 + sqrt(1 - 4*x - 4*x^2)).

Table of values

List of values

A052705 Expansion of 2x^2/(1 - 2x - 2x^2 + sqrt(1 - 4x - 4*x^2)).