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A053965 Squares composed of digits {4,7,9}. 1
4, 9, 49, 7744, 44944, 797449, 4794494447474944, 77777777797497997444 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

LINKS

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

Author?, Source(txt)

CROSSREFS

Cf. A053964.

Sequence in context: A028945 A082875 A086541 * A058444 A053925 A053943

Adjacent sequences:  A053962 A053963 A053964 * A053966 A053967 A053968

KEYWORD

nonn,base,more

AUTHOR

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

EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

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Last modified February 16 13:56 EST 2012. Contains 205921 sequences.