1,1
P. De Geest, Index to related sequences
Hisanori Mishima, Sporadic tridigital solutions
Cf. A058453.
Sequence in context: A058434 A067487 A058448 * A058472 A058474 A010894
Adjacent sequences: A058451 A058452 A058453 * A058455 A058456 A058457
nonn,base,hard,more,bref
Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 2000.