A121208 Cyclotomic polynomials evaluated at prime number abscissae.

1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 16, 17, 18, 20, 21, 22, 24, 26, 28, 30, 31, 32, 36, 38, 40, 42, 43, 44, 46, 48, 50, 52, 54, 57, 58, 60, 61, 62, 66, 68, 70, 72, 73, 74, 78, 80, 82, 84, 88, 90, 96, 98, 100, 102, 104, 106, 108, 110, 111, 112, 114, 121, 122, 126, 127

Offset: 1

Author

R. J. Mathar, Aug 20 2006

Keywords

• nonn

Comments

Contains as subsets: all A006093 which are Phi_1(p), all A008864 which are Phi_2(p), all A060800 which are Phi_3(p), all A066872 which are Phi_4(p) and all A119959 which are Phi_6(p).

Examples

			Contains 50, which is the fourth cyclotomic polynomial evaluated at the prime 7, 50=Phi_4(7).
		

Links

• Eric Weisstein's World of Mathematics, Cyclotomic Polynomials.

Crossrefs

Cf. A000040, A006093, A008864, A060800, A066872, A119959.

Formula

a(n) = Phi_j(p), p in A000040, j=1,2,3,4...