1,1
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
Cf. A058458.
Sequence in context: A182793 A058431 A045518 * A182794 A072240 A182795
Adjacent sequences: A058454 A058455 A058456 * A058458 A058459 A058460
nonn,base,hard,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.