A291038 - cp's OEIS frontend

A291038 p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = (1 - 2 S)^2.

n	a(n)
0	4
1	12
2	32
3	84
4	216
5	544
6	1348
7	3300
8	8000
9	19236
10	45936
11	109056
12	257604
13	605820
14	1419232
15	3313396
16	7711944
17	17900320
18	41445764
19	95746260
20	220735616
21	507934276
22	1166792160
23	2676017408
24	6128381316
25	14015556588
26	32012831648
27	73033858964
28	166434905016

[4, 12, 32, 84, 216, 544, 1348, 3300, 8000, 19236, 45936, 109056, 257604, 605820, 1419232, 3313396, 7711944, 17900320, 41445764, 95746260, 220735616, 507934276, 1166792160, 2676017408, 6128381316, 14015556588, 32012831648, 73033858964, 166434905016]

cp's OEIS Frontend

A291038 p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = (1 - 2 S)^2.

Table of values

List of values