A274203 - cp's OEIS frontend

A274203 Expansion of x(1 - x - x^3)/((1 - x)(1 - 2x - 3x^2 - 2*x^3 - x^4)).

n	a(n)
0	0
1	1
2	2
3	7
4	21
5	67
6	212
7	673
8	2136
9	6781
10	21527
11	68341
12	216960
13	688777
14	2186642
15	6941875
16	22038189
17	69964063
18	222113084
19	705136609
20	2238578784
21	7106757625
22	22561637903
23	71625842857
24	227388693456
25	721884948913
26	2291749301810
27	7275556680127
28	23097519856965
29	73327093306843
30	232789608846644

[0, 1, 2, 7, 21, 67, 212, 673, 2136, 6781, 21527, 68341, 216960, 688777, 2186642, 6941875, 22038189, 69964063, 222113084, 705136609, 2238578784, 7106757625, 22561637903, 71625842857, 227388693456, 721884948913, 2291749301810, 7275556680127, 23097519856965, 73327093306843, 232789608846644]

cp's OEIS Frontend

A274203 Expansion of x(1 - x - x^3)/((1 - x)(1 - 2x - 3x^2 - 2*x^3 - x^4)).

Table of values

List of values

cp's OEIS Frontend

A274203 Expansion of x*(1 - x - x^3)/((1 - x)*(1 - 2*x - 3*x^2 - 2*x^3 - x^4)).

Table of values

List of values

A274203 Expansion of x(1 - x - x^3)/((1 - x)(1 - 2x - 3x^2 - 2*x^3 - x^4)).