A089883 - cp's OEIS frontend

A089883 Expansion of (1-4x+6x^2-3x^3)/((1-3x)(1-2x)(1-3x+x^2)).

n	a(n)
0	1
1	4
2	16
3	60
4	214
5	736
6	2464
7	8082
8	26092
9	83188
10	262582
11	822144
12	2557120
13	7910050
14	24357580
15	74720436
16	228485158
17	696795712
18	2120116768
19	6438264498
20	19518937516
21	59091592564
22	178675498006
23	539694923520
24	1628691435904
25	4911230068546
26	14799559211404

[1, 4, 16, 60, 214, 736, 2464, 8082, 26092, 83188, 262582, 822144, 2557120, 7910050, 24357580, 74720436, 228485158, 696795712, 2120116768, 6438264498, 19518937516, 59091592564, 178675498006, 539694923520, 1628691435904, 4911230068546, 14799559211404]

cp's OEIS Frontend

A089883 Expansion of (1-4x+6x^2-3x^3)/((1-3x)(1-2x)(1-3x+x^2)).

Table of values

List of values

cp's OEIS Frontend

A089883 Expansion of (1-4*x+6*x^2-3*x^3)/((1-3*x)*(1-2*x)*(1-3*x+x^2)).

Table of values

List of values

A089883 Expansion of (1-4x+6x^2-3x^3)/((1-3x)(1-2x)(1-3x+x^2)).