A291394 - cp's OEIS frontend

A291394 p-INVERT of (1,1,0,0,0,0,...), where p(S) = (1 - S)(1 - 3 S).

n	a(n)
0	4
1	17
2	66
3	254
4	968
5	3679
6	13962
7	52957
8	200812
9	761396
10	2886768
11	10944725
12	41494856
13	157319353
14	596443614
15	2261290498
16	8573204920
17	32503490435
18	123230092830
19	467200760741
20	1771292578424
21	6715480046152
22	25460317920096
23	96527393973769
24	365963135802988

[4, 17, 66, 254, 968, 3679, 13962, 52957, 200812, 761396, 2886768, 10944725, 41494856, 157319353, 596443614, 2261290498, 8573204920, 32503490435, 123230092830, 467200760741, 1771292578424, 6715480046152, 25460317920096, 96527393973769, 365963135802988]

cp's OEIS Frontend

A291394 p-INVERT of (1,1,0,0,0,0,...), where p(S) = (1 - S)(1 - 3 S).

Table of values

List of values