A052978 - cp's OEIS frontend

A052978 Expansion of (1-2x)/(1-4x-2x^2+4x^3).

n	a(n)
0	1
1	2
2	10
3	40
4	172
5	728
6	3096
7	13152
8	55888
9	237472
10	1009056
11	4287616
12	18218688
13	77413760
14	328941952
15	1397720576
16	5939111168
17	25236118016
18	107231812096
19	455643039744
20	1936091311104
21	8226724075520
22	34956506765312
23	148535109967872
24	631146557100032

[1, 2, 10, 40, 172, 728, 3096, 13152, 55888, 237472, 1009056, 4287616, 18218688, 77413760, 328941952, 1397720576, 5939111168, 25236118016, 107231812096, 455643039744, 1936091311104, 8226724075520, 34956506765312, 148535109967872, 631146557100032]

cp's OEIS Frontend

A052978 Expansion of (1-2x)/(1-4x-2x^2+4x^3).

Table of values

List of values

cp's OEIS Frontend

A052978 Expansion of (1-2*x)/(1-4*x-2*x^2+4*x^3).

Table of values

List of values

A052978 Expansion of (1-2x)/(1-4x-2x^2+4x^3).