OFFSET
1,2
COMMENTS
Partition the primes in pairs starting with 5: (5, 7), (11, 13), (17, 19), (23, 29), (31, 37), (41, 43), (47, 53). Sequence gives differences between pairs. - Zak Seidov, Oct 05 2003
EXAMPLE
a(4)=6 as a_o(5)=58 - a_e(5)=71 is 13 and a_o(4)=35 - a_e(4)=42 is 7 and the difference is 6.
MATHEMATICA
Table[ Prime[2n] - Prime[2n - 1], {n, 100}] (* Robert G. Wilson v, May 29 2004 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Robert G. Wilson v, Nov 30 2002
EXTENSIONS
Edited by N. J. A. Sloane, Sep 15 2008 at the suggestion of R. J. Mathar
STATUS
approved