A095977 - cp's OEIS frontend

A095977 Expansion of g.f. 2x / ((1+x)^2(1-2*x)^2).

n	a(n)
1	2
2	4
3	14
4	32
5	82
6	188
7	438
8	984
9	2202
10	4852
11	10622
12	23056
13	49762
14	106796
15	228166
16	485448
17	1029162
18	2174820
19	4582670
20	9631360
21	20194802
22	42253724
23	88235734
24	183927992
25	382769082
26	795364308
27	1650380958
28	3420066544
29	7078742402
30	14634703372
31	30223843942
32	62356562216

[2, 4, 14, 32, 82, 188, 438, 984, 2202, 4852, 10622, 23056, 49762, 106796, 228166, 485448, 1029162, 2174820, 4582670, 9631360, 20194802, 42253724, 88235734, 183927992, 382769082, 795364308, 1650380958, 3420066544, 7078742402, 14634703372, 30223843942, 62356562216]

cp's OEIS Frontend

A095977 Expansion of g.f. 2x / ((1+x)^2(1-2*x)^2).

Table of values

List of values

cp's OEIS Frontend

A095977 Expansion of g.f. 2*x / ((1+x)^2*(1-2*x)^2).

Table of values

List of values

A095977 Expansion of g.f. 2x / ((1+x)^2(1-2*x)^2).