OFFSET
1,1
EXAMPLE
First pair of consecutive primes of form 4k+3 is {7,11}.
Next pair of consecutive primes of form 4k+1 is {13,17}.
Next pair of consecutive primes of form 4k+3 is {19,23}.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Jul 10 2005
EXTENSIONS
Edited, corrected and extended by Ray Chandler, Jul 13 2005
STATUS
approved