OFFSET
1,3
FORMULA
Take the absolute value of differences between counts of runs of single nonprimes congruent to 1 mod 4 and 3 mod 4
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Enoch Haga, Mar 30 2004
EXTENSIONS
a(9)-a(13) from Robert Price, May 30 2019
STATUS
approved