A065976 Consecutive terms of A065966 which are also consecutive integers.

7, 8, 9, 10, 11, 22, 46, 166, 358, 718, 1438, 2038, 2878, 4078, 4126, 4918, 5638, 5806, 5926, 6046, 7246, 7558, 7606, 7726, 9838, 10798, 11278, 13798, 13966, 14158, 15286, 15646, 20326, 21598, 21766, 23398, 24406, 24526, 25798, 28318, 28606

Offset: 1

Author

Jason Earls, Dec 09 2001

Keywords

• easy
• nonn

Links

• Harry J. Smith, Table of n, a(n) for n = 1..1000

Crossrefs

A065966(n) = A065966(n+1).

Programs

PARI

{ n=p=0; for (m=3, 10^9, if (isprime(eulerphi(m)/2), if (m==p + 1, write("b065976.txt", n++, " ", p); if (n==1000, return)); p=m) ) } \\ Harry J. Smith, Nov 05 2009