A291254 - cp's OEIS frontend

A291254 p-INVERT of (0,1,0,1,0,1, ...), where p(S) = (1 - 2 S - S^2)^2.

n	a(n)
0	4
1	14
2	48
3	159
4	512
5	1618
6	5036
7	15491
8	47192
9	142624
10	428144
11	1277884
12	3795208
13	11222716
14	33060072
15	97060033
16	284095940
17	829298422
18	2414859016
19	7016265637
20	20344112608
21	58879534286
22	170117201548
23	490736173432
24	1413562889020
25	4066259673834
26	11682314946048

[4, 14, 48, 159, 512, 1618, 5036, 15491, 47192, 142624, 428144, 1277884, 3795208, 11222716, 33060072, 97060033, 284095940, 829298422, 2414859016, 7016265637, 20344112608, 58879534286, 170117201548, 490736173432, 1413562889020, 4066259673834, 11682314946048]

cp's OEIS Frontend

A291254 p-INVERT of (0,1,0,1,0,1, ...), where p(S) = (1 - 2 S - S^2)^2.

Table of values

List of values