1,2

Author?, Source(txt)

P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences

Cf. A053891.

Adjacent sequences: A053887 A053888 A053889 this_sequence A053891 A053892 A053893

Sequence in context: A073041 A053898 A058413 this_sequence A053896 A077410 A063599

nonn,base,more

Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005

One more term from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Sep 03 2006