A291229 - cp's OEIS frontend

A291229 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)(1 - 2 S).

n	a(n)
0	3
1	7
2	18
3	45
4	111
5	272
6	663
7	1611
8	3906
9	9457
10	22875
11	55296
12	133611
13	322751
14	779490
15	1882341
16	4545159
17	10974256
18	26496255
19	63970947
20	154444914
21	372871721
22	900206067
23	2173312512
24	5246877459
25	12667142455
26	30581283762
27	73829906397
28	178241414367
29	430313249360

[3, 7, 18, 45, 111, 272, 663, 1611, 3906, 9457, 22875, 55296, 133611, 322751, 779490, 1882341, 4545159, 10974256, 26496255, 63970947, 154444914, 372871721, 900206067, 2173312512, 5246877459, 12667142455, 30581283762, 73829906397, 178241414367, 430313249360]

cp's OEIS Frontend

A291229 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)(1 - 2 S).

Table of values

List of values