A291410 - cp's OEIS frontend

A291410 p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S - S^2 - 2 S^3.

n	a(n)
0	1
1	3
2	9
3	26
4	69
5	186
6	511
7	1401
8	3824
9	10438
10	28521
11	77938
12	212928
13	581700
14	1589231
15	4341911
16	11862339
17	32408429
18	88541424
19	241899801
20	660882666
21	1805564823
22	4932894579
23	13476918898
24	36819627664
25	100593093135
26	274825440378
27	750837066710
28	2051325016200

[1, 3, 9, 26, 69, 186, 511, 1401, 3824, 10438, 28521, 77938, 212928, 581700, 1589231, 4341911, 11862339, 32408429, 88541424, 241899801, 660882666, 1805564823, 4932894579, 13476918898, 36819627664, 100593093135, 274825440378, 750837066710, 2051325016200]

cp's OEIS Frontend

A291410 p-INVERT of (1,1,0,0,0,0,...), where p(S) = 1 - S - S^2 - 2 S^3.

Table of values

List of values