A070522 Value of n-th cyclotomic polynomial at the n-th prime.

1, 4, 31, 50, 16105, 157, 25646167, 130322, 148048057, 683705, 846949229880161, 1872793, 23127577557875340733, 6177695707, 23304888110401, 62259690411362, 21930887362370823132822661921, 51520147381

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Formula

a(n)=Cyclotomic[n, Prime[n]]

Example

n=5: Cyclotomic[5,x]=1+x+xx+xxx+xxxx; at x=p(5)=11 it gives a(5)=16105.

Mathematica

Table[Cyclotomic[w, Prime[w]], {w, 1, 20}]

Crossrefs

Cf. A070518-A070521.

Sequence in context: A043082 A371034 A216302 * A087689 A330788 A374720

Adjacent sequences: A070519 A070520 A070521 * A070523 A070524 A070525

Keyword

nonn

Author

Labos Elemer, May 02 2002

Status

approved