1,1

q>p are "twin simili-primes of order 2" if (p,q) are in A123929 and satisfy q-p=3. Conjecture : this sequence is infinite

Cf. A123929.

Sequence in context: A112577 A162562 A026539 this_sequence A076593 A129774 A049373

Adjacent sequences: A126697 A126698 A126699 this_sequence A126701 A126702 A126703

nonn

Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 11 2007