A106803 - cp's OEIS frontend

A106803 Expansion of x(1-x)/(1-2x-x^2+x^3).

n	a(n)
0	0
1	1
2	1
3	3
4	6
5	14
6	31
7	70
8	157
9	353
10	793
11	1782
12	4004
13	8997
14	20216
15	45425
16	102069
17	229347
18	515338
19	1157954
20	2601899
21	5846414
22	13136773
23	29518061
24	66326481
25	149034250
26	334876920
27	752461609
28	1690765888
29	3799116465
30	8536537209

[0, 1, 1, 3, 6, 14, 31, 70, 157, 353, 793, 1782, 4004, 8997, 20216, 45425, 102069, 229347, 515338, 1157954, 2601899, 5846414, 13136773, 29518061, 66326481, 149034250, 334876920, 752461609, 1690765888, 3799116465, 8536537209]

cp's OEIS Frontend

A106803 Expansion of x(1-x)/(1-2x-x^2+x^3).

Table of values

List of values

cp's OEIS Frontend

A106803 Expansion of x*(1-x)/(1-2*x-x^2+x^3).

Table of values

List of values

A106803 Expansion of x(1-x)/(1-2x-x^2+x^3).