A230080 - cp's OEIS frontend

A230080 Sequence needed for the nonpositive powers of rho(11) = 2*cos(Pi/11) in terms of the power basis of the degree 5 number field Q(rho(11)). Coefficients of the first power.

n	a(n)
0	0
1	3
2	5
3	23
4	73
5	265
6	920
7	3245
8	11385
9	40018
10	140574
11	493911
12	1735243
13	6096533
14	21419128
15	75252674
16	264387942
17	928884046
18	3263482673
19	11465714843
20	40282921096
21	141527481021
22	497233748352
23	1746949771565
24	6137623429414

[0, 3, 5, 23, 73, 265, 920, 3245, 11385, 40018, 140574, 493911, 1735243, 6096533, 21419128, 75252674, 264387942, 928884046, 3263482673, 11465714843, 40282921096, 141527481021, 497233748352, 1746949771565, 6137623429414]

cp's OEIS Frontend

A230080 Sequence needed for the nonpositive powers of rho(11) = 2*cos(Pi/11) in terms of the power basis of the degree 5 number field Q(rho(11)). Coefficients of the first power.

Table of values

List of values