OFFSET
1,4
FORMULA
Take the absolute value of the difference between counts of runs of 5 primes congruent to 1 mod 4 and 3 mod 4.
EXAMPLE
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Enoch Haga, Mar 02 2004
EXTENSIONS
a(9)-a(11) from Chai Wah Wu, Mar 18 2018
STATUS
approved