A211216 - cp's OEIS frontend

A211216 Expansion of (1-8x+21x^2-20x^3+5x^4)/(1-9x+28x^2-35x^3+15x^4-x^5).

n	a(n)
0	1
1	1
2	2
3	5
4	14
5	42
6	132
7	429
8	1430
9	4862
10	16795
11	58766
12	207783
13	740924
14	2660139
15	9603089
16	34818270
17	126676726
18	462125928
19	1689438278
20	6186432967
21	22682699779
22	83249302471
23	305773834030
24	1123771473120
25	4131947428007
26	15197952958467
27	55915691993228

[1, 1, 2, 5, 14, 42, 132, 429, 1430, 4862, 16795, 58766, 207783, 740924, 2660139, 9603089, 34818270, 126676726, 462125928, 1689438278, 6186432967, 22682699779, 83249302471, 305773834030, 1123771473120, 4131947428007, 15197952958467, 55915691993228]

cp's OEIS Frontend

A211216 Expansion of (1-8x+21x^2-20x^3+5x^4)/(1-9x+28x^2-35x^3+15x^4-x^5).

Table of values

List of values

cp's OEIS Frontend

A211216 Expansion of (1-8*x+21*x^2-20*x^3+5*x^4)/(1-9*x+28*x^2-35*x^3+15*x^4-x^5).

Table of values

List of values

A211216 Expansion of (1-8x+21x^2-20x^3+5x^4)/(1-9x+28x^2-35x^3+15x^4-x^5).