A075762 A001003(p-1)/p where p runs through the odd primes.

1, 9, 129, 47169, 1049913, 615504609, 15797864577, 11270258161281, 246696657053411097, 7087786816380876801, 178199489594187990894537, 158945391097530669380671857, 4791412124651983778003371329

Offset

1,2

Links

Table of n, a(n) for n=1..13.

Formula

a(n)=A001003(prime(n+1)-1)/prime(n+1)

Crossrefs

Sequence in context: A232950 A184143 A287690 * A349155 A328270 A060944

Adjacent sequences: A075759 A075760 A075761 * A075763 A075764 A075765

Keyword

easy,nonn

Author

Benoit Cloitre, Oct 09 2002

Status

approved