A033503 First differences of A046025.

5, 29, 10, 6, 4, 1, 44, 21, 74, 11, 10, 39, 21, 94, 10, 46, 80, 4, 1, 199, 31, 59, 25, 46, 59, 45, 50, 35, 55, 25, 21, 109, 10, 1, 30, 25, 25, 4, 16, 39, 1, 20, 49, 25, 181, 109, 70, 10, 46, 109, 25, 21, 105, 44, 11, 10, 15, 95, 59, 95, 45, 6, 85, 25, 30, 165, 84, 60, 55, 56

Offset: 1

Author

Marc LeBrun

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A046025, A002997.

Programs

Mathematica

Differences[Select[Range[3500],And@@PrimeQ[{6,12,18}#+1]&]] (* Harvey P. Dale, May 26 2014 *)