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.

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.

Terms

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

External references