1,1

If p_n is the n-th prime, then ceil(sqrt(2p_n)) is in the sequence iff A145236(n)=A145236(n+1).

A145236, A145701

Sequence in context: A167522 A001838 A080759 this_sequence A047443 A127577 A100712

Adjacent sequences: A145711 A145712 A145713 this_sequence A145715 A145716 A145717

nonn

Vladimir Shevelev (shevelev(AT)bgu.ac.il), Oct 16 2008