A231183 - cp's OEIS frontend

A231183 Coefficients of the nonnegative powers of rho(11) = 2*cos(Pi/11) when written in the power basis of the degree 5 number field Q(rho(11)). Negative of the coefficients of the first power.

n	a(n)
0	0
1	-1
2	0
3	0
4	0
5	3
6	2
7	14
8	13
9	54
10	61
11	198
12	255
13	715
14	1012
15	2574
16	3910
17	9280
18	14877
19	33557
20	56069
21	121736
22	209990
23	442933
24	783035
25	1615658
26	2910765
27	5905483
28	10795397
29	21621095
30	39969597
31	79262102
32	147796497
33	290868226
34	545980212
35	1068246916

[0, -1, 0, 0, 0, 3, 2, 14, 13, 54, 61, 198, 255, 715, 1012, 2574, 3910, 9280, 14877, 33557, 56069, 121736, 209990, 442933, 783035, 1615658, 2910765, 5905483, 10795397, 21621095, 39969597, 79262102, 147796497, 290868226, 545980212, 1068246916]

cp's OEIS Frontend

A231183 Coefficients of the nonnegative powers of rho(11) = 2*cos(Pi/11) when written in the power basis of the degree 5 number field Q(rho(11)). Negative of the coefficients of the first power.

Table of values

List of values