A192807 - cp's OEIS frontend

A192807 Coefficient of x in the reduction of the polynomial (x^2 + x + 1)^n by x^3 -> x^2 + x + 1.

n	a(n)
0	0
1	1
2	6
3	37
4	230
5	1431
6	8904
7	55403
8	344732
9	2145013
10	13346834
11	83047505
12	516743378
13	3215312955
14	20006521300
15	124485827703
16	774583500376
17	4819661885417
18	29989201523742
19	186600684739485
20	1161078447443102
21	7224534909928031

[0, 1, 6, 37, 230, 1431, 8904, 55403, 344732, 2145013, 13346834, 83047505, 516743378, 3215312955, 20006521300, 124485827703, 774583500376, 4819661885417, 29989201523742, 186600684739485, 1161078447443102, 7224534909928031]

cp's OEIS Frontend

A192807 Coefficient of x in the reduction of the polynomial (x^2 + x + 1)^n by x^3 -> x^2 + x + 1.

Table of values

List of values