A291020 - cp's OEIS frontend

A291020 p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - S - S^2 - S^3 - S^4 + S^5.

n	a(n)
0	1
1	3
2	9
3	27
4	79
5	228
6	656
7	1889
8	5445
9	15701
10	45275
11	130544
12	376388
13	1085199
14	3128841
15	9021083
16	26009635
17	74991112
18	216214692
19	623391005
20	1797363157
21	5182163781
22	14941232871
23	43078615236
24	124204414928
25	358106605227
26	1032494220505
27	2976890957419

[1, 3, 9, 27, 79, 228, 656, 1889, 5445, 15701, 45275, 130544, 376388, 1085199, 3128841, 9021083, 26009635, 74991112, 216214692, 623391005, 1797363157, 5182163781, 14941232871, 43078615236, 124204414928, 358106605227, 1032494220505, 2976890957419]

cp's OEIS Frontend

A291020 p-INVERT of (1,1,1,1,1,...), where p(S) = 1 - S - S^2 - S^3 - S^4 + S^5.

Table of values

List of values