A185441 Records in A185439; record gaps between consecutive emirps.

4, 14, 34, 36, 112, 312, 1032, 3098, 10038, 30012, 100112, 300086, 1000158, 3000162, 10000056, 30000044, 100000422

Offset

1,1

Comments

This is to A005250 (increasing gaps between primes) as A006567 (emirps) are to A000040 (primes). Lower number of record emirp difference pair (emirp analog of A002386): 13, 17, 37, 113, 389, 1979, 3929.

Links

Table of n, a(n) for n=1..17.

Example

a(8) = 148th emirp - 147th emirp =  7027 - 3929 = 3098, given that R(7027) = 7207 is prime and R(3929) = 9293 is prime.

Crossrefs

Cf. A000040, A000101, A001223, A002386, A004086, A006567.

Sequence in context: A011935 A266020 A351930 * A032645 A098942 A011554

Adjacent sequences: A185438 A185439 A185440 * A185442 A185443 A185444

Keyword

nonn,base,more

Author

Jonathan Vos Post, Feb 03 2011

Extensions

a(13) - a(17) from Nathaniel Johnston, Apr 26 2011

Status

approved