0,3

Next term begins and ends 12580...39387 and has 3638334640025 digits [From Shawn Ligocki (sligocki(AT)gmail.com), Oct 08 2009]

Cf. A014221, A081561, A114561.

Sequence in context: A068221 A068222 A055777 this_sequence A162414 A071107 A146072

Adjacent sequences: A014219 A014220 A014221 this_sequence A014223 A014224 A014225

nonn,easy

N. J. A. Sloane (njas(AT)research.att.com).