A100303 - cp's OEIS frontend

A100303 Expansion of (1 - x - 4x^2)/(1 - x - 8x^2).

n	a(n)
0	1
1	0
2	4
3	4
4	36
5	68
6	356
7	900
8	3748
9	10948
10	40932
11	128516
12	455972
13	1484100
14	5131876
15	17004676
16	58059684
17	194097092
18	658574564
19	2211351300
20	7479947812
21	25170758212
22	85010340708
23	286376406404
24	966459132068
25	3257470383300
26	10989143439844
27	37048906506244
28	124962054024996

[1, 0, 4, 4, 36, 68, 356, 900, 3748, 10948, 40932, 128516, 455972, 1484100, 5131876, 17004676, 58059684, 194097092, 658574564, 2211351300, 7479947812, 25170758212, 85010340708, 286376406404, 966459132068, 3257470383300, 10989143439844, 37048906506244, 124962054024996]

cp's OEIS Frontend

A100303 Expansion of (1 - x - 4x^2)/(1 - x - 8x^2).

Table of values

List of values

cp's OEIS Frontend

A100303 Expansion of (1 - x - 4*x^2)/(1 - x - 8*x^2).

Table of values

List of values

A100303 Expansion of (1 - x - 4x^2)/(1 - x - 8x^2).