1,1
6677714//6677712 = 8171728 * 8171729, where // denotes
concatenation.
Cf. A116134, A116142, A116154, A116272.
Sequence in context: A058424 A204041 A065248 * A067508 A034250 A058436
Adjacent sequences: A116138 A116139 A116140 * A116142 A116143 A116144
nonn,base
Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 06 2006