Irregular triangle read by rows: the n-th row gives the coefficients of Phi(n, 1-x), where Phi(n, x) is the n-th cyclotomic polynomial.

A140815

Irregular triangle read by rows: the n-th row gives the coefficients of Phi(n, 1-x), where Phi(n, x) is the n-th cyclotomic polynomial.

Terms

    a(0) =-1a(1) =0a(2) =-1a(3) =2a(4) =1a(5) =-3a(6) =3a(7) =1a(8) =-2a(9) =2a(10) =1a(11) =-5a(12) =10a(13) =-10a(14) =5a(15) =1a(16) =-1a(17) =1a(18) =1a(19) =-7a(20) =21a(21) =-35a(22) =35a(23) =-21a(24) =7a(25) =1a(26) =-4a(27) =6a(28) =-4a(29) =2

External references