login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A092638
Absolute value of difference between counts of uninterrupted runs of single primes in A092636 and A092637.
1
0, 2, 3, 9, 15, 50, 238, 1383, 1458, 443, 11349
OFFSET
1,2
FORMULA
a(n) = |A092636(n)-A092637(n)|.
EXAMPLE
a(2)=2 because in A092636 the count is 5 and in A092637 the count is 3. 5-3=2.
CROSSREFS
Sequence in context: A124881 A054416 A291868 * A206777 A173809 A298355
KEYWORD
more,nonn
AUTHOR
Enoch Haga, Mar 02 2004
EXTENSIONS
a(9)-a(11) from Chai Wah Wu, Mar 18 2018
STATUS
approved