1,1

For p=3, 13*p^2+3*p+1=127; p=73, 13*p^2+3*p+1=69497

Cf. A155152

Sequence in context: A106483 A145673 A040116 this_sequence A014580 A091206 A038963

Adjacent sequences: A155150 A155151 A155152 this_sequence A155154 A155155 A155156

nonn

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Jan 21 2009