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A093399
Absolute value of difference between counts of uninterrupted runs of 3 nonprimes in A093187 and A093188.
6
0, 1, 5, 4, 34, 116, 130, 241, 2187, 3076, 9683, 33067, 133346
OFFSET
1,3
FORMULA
Take the absolute value of differences between counts of runs of 3 odd nonprimes congruent to 1 mod 4 and 3 mod 4
a(n) = abs(A093187(n) - A093188(n))
EXAMPLE
a(3)=5 because in A093187 the count is 10 and in A093188 the count is 5. 10-5=5.
KEYWORD
more,nonn,hard
AUTHOR
Enoch Haga, Mar 30 2004
EXTENSIONS
a(9)-a(13) from Lucas A. Brown, Sep 19 2024
STATUS
approved