A175632 Maximal run length of primes of the form A025584(n), A025584(n)+2, A025584(n)+4, ...

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

Author

Vladislav-Stepan Malakovsky & Juri-Stepan Gerasimov, Jul 31 2010

Keywords

• nonn

Examples

			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.