A006311 Coefficients of period polynomials. (Formerly M2876)

-3, 10, -84, -10989, 363883, -82620, -137550709, 645413252986, -7142036935967, -7522164033404415, -217498966742521653325, -10590850429623318361311, 14571491290875996179048369, -5355885371863393108886638462583

Offset

2,1

References

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

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Sean A. Irvine, Table of n, a(n) for n = 2..26

Formula

a(n) = [x^1] f(p,x) where p = A000040(n) and f(p,x) is defined in A006308. - Sean A. Irvine, Mar 08 2017

Crossrefs

Sequence in context: A359970 A341848 A136505 * A344657 A224774 A034792

Adjacent sequences: A006308 A006309 A006310 * A006312 A006313 A006314

Keyword

sign

Author

N. J. A. Sloane.

Extensions

More terms, signs added, and offset corrected by Sean A. Irvine, Mar 08 2017

Status

approved