OFFSET

1,5

FORMULA

Take the absolute value of the difference between counts of runs of 7 primes congruent to 1 mod 4 and 3 mod 4.

CROSSREFS

KEYWORD

more,nonn

AUTHOR

Enoch Haga, Mar 02 2004

EXTENSIONS

a(9)-a(11) from Chai Wah Wu, Mar 18 2018

STATUS

approved