A291264 - cp's OEIS frontend

A291264 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - 2 S)^2.

n	a(n)
0	4
1	12
2	36
3	104
4	292
5	804
6	2180
7	5840
8	15492
9	40764
10	106532
11	276792
12	715556
13	1841748
14	4722180
15	12066208
16	30737924
17	78088812
18	197892388
19	500374024
20	1262618148
21	3180066180
22	7995639940
23	20071580784
24	50312160388
25	125942854044
26	314865132324
27	786254598872

[4, 12, 36, 104, 292, 804, 2180, 5840, 15492, 40764, 106532, 276792, 715556, 1841748, 4722180, 12066208, 30737924, 78088812, 197892388, 500374024, 1262618148, 3180066180, 7995639940, 20071580784, 50312160388, 125942854044, 314865132324, 786254598872]

cp's OEIS Frontend

A291264 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - 2 S)^2.

Table of values

List of values