A290929 - cp's OEIS frontend

A290929 p-INVERT of the positive integers, where p(S) = (1 - S)(1 - S^2).

n	a(n)
0	1
1	4
2	13
3	39
4	114
5	330
6	948
7	2703
8	7655
9	21554
10	60389
11	168468
12	468199
13	1296826
14	3581185
15	9862749
16	27096216
17	74277342
18	203200986
19	554869701
20	1512575195
21	4116813032
22	11188568267
23	30367047720
24	82316338381
25	222875101936
26	602784607477
27	1628612506131

[1, 4, 13, 39, 114, 330, 948, 2703, 7655, 21554, 60389, 168468, 468199, 1296826, 3581185, 9862749, 27096216, 74277342, 203200986, 554869701, 1512575195, 4116813032, 11188568267, 30367047720, 82316338381, 222875101936, 602784607477, 1628612506131]

cp's OEIS Frontend

A290929 p-INVERT of the positive integers, where p(S) = (1 - S)(1 - S^2).

Table of values

List of values