1,1
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
Cf. A058470.
Sequence in context: A154824 A137131 A117721 * A081508 A067481 A058433
Adjacent sequences: A058466 A058467 A058468 * A058470 A058471 A058472
nonn,base,hard,more,bref
Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.