1,2

n=10: p[10]=29, a[10]=14 because -1+14^(841-1)=840.k,

and in A020142 the terms<841 are not powers of primes.

Corresponding least p-power pseudoprimes are 4,9,25,49,121,..,841,..

Cf. A020142, A090096-A090098, A007535.

Sequence in context: A075573 A166138 A126937 this_sequence A138809 A038285 A098432

Adjacent sequences: A090096 A090097 A090098 this_sequence A090100 A090101 A090102

nonn

Labos E. (labos(AT)ana.sote.hu), Dec 01 2003