1,1
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
Cf. A058461.
Sequence in context: A028818 A203541 A014759 * A058450 A159893 A142755
Adjacent sequences: A058459 A058460 A058461 * A058463 A058464 A058465
nonn,base,hard
Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.