A291237 - cp's OEIS frontend

A291237 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)(1 - 2 S)(1 - 4 S).

n	a(n)
0	7
1	35
2	162
3	721
4	3139
5	13504
6	57707
7	245671
8	1043634
9	4428053
10	18774815
11	79573152
12	337178159
13	1428553243
14	6052037010
15	25638260873
16	108608846171
17	460082737472
18	1948961747155
19	8255982722783
20	34973020586946
21	148148373971341
22	627567262233463
23	2658419223345984

[7, 35, 162, 721, 3139, 13504, 57707, 245671, 1043634, 4428053, 18774815, 79573152, 337178159, 1428553243, 6052037010, 25638260873, 108608846171, 460082737472, 1948961747155, 8255982722783, 34973020586946, 148148373971341, 627567262233463, 2658419223345984]

cp's OEIS Frontend

A291237 p-INVERT of (0,1,0,1,0,1,...), where p(S) = (1 - S)(1 - 2 S)(1 - 4 S).

Table of values

List of values