3,1

D. H. and Emma Lehmer, Cyclotomy for nonsquare-free moduli, pp. 276-300 of Analytic Number Theory (Philadelphia 1980), Lect. Notes Math. 899 (1981).

Sequence in context: A017744 A053108 A016888 this_sequence A060349 A036354 A016948

Adjacent sequences: A006309 A006310 A006311 this_sequence A006313 A006314 A006315

nonn

njas