A077999 - cp's OEIS frontend

A077999 Expansion of (1-x)/(1-2x-2x^3).

n	a(n)
0	1
1	1
2	2
3	6
4	14
5	32
6	76
7	180
8	424
9	1000
10	2360
11	5568
12	13136
13	30992
14	73120
15	172512
16	407008
17	960256
18	2265536
19	5345088
20	12610688
21	29752448
22	70195072
23	165611520
24	390727936
25	921846016
26	2174915072
27	5131286016
28	12106264064
29	28562358272
30	67387288576
31	158987105280

[1, 1, 2, 6, 14, 32, 76, 180, 424, 1000, 2360, 5568, 13136, 30992, 73120, 172512, 407008, 960256, 2265536, 5345088, 12610688, 29752448, 70195072, 165611520, 390727936, 921846016, 2174915072, 5131286016, 12106264064, 28562358272, 67387288576, 158987105280]

cp's OEIS Frontend

A077999 Expansion of (1-x)/(1-2x-2x^3).

Table of values

List of values

cp's OEIS Frontend

A077999 Expansion of (1-x)/(1-2*x-2*x^3).

Table of values

List of values

A077999 Expansion of (1-x)/(1-2x-2x^3).