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A175632
Maximal run length of primes of the form A025584(n), A025584(n)+2, A025584(n)+4, ...
18
1, 3, 2, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
OFFSET
1,2
EXAMPLE
a(1)=1 because A025584(1)=2=prime; a(2)=3 because A025584(2)=3=prime, A025584(2)+2=5=prime, A025584(2)+4=7=prime; a(3)=2 because A025584(3)=11=prime, A025584(3)+2=13=prime; a(4)=2 because A025584(4)=17=prime, A025584(4)+2=19=prime.
CROSSREFS
Sequence in context: A341941 A090341 A251092 * A226481 A088435 A328630
KEYWORD
nonn
AUTHOR
Vladislav-Stepan Malakovsky & Juri-Stepan Gerasimov, Jul 31 2010
STATUS
approved