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A053961
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Squares composed of digits {4,6,9}.
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2
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4, 9, 49, 64, 44944, 69696, 4999696, 9696996, 9966649, 999444996, 4649466969, 64944444964, 6469646694964996, 69446644696999969, 9446966946446994496, 44499464666496696649, 446646664496496964644, 466994666666446696996
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| P. De Geest, Squares containing at most three distinct digits, Index entries for related sequences
Author?, Source(txt)
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MATHEMATICA
| fQ[n_] := Union[ Join[{4, 6, 9}, IntegerDigits[n]]] == {4, 6, 9}; lst = {}; Do[ If[ fQ[n^2], AppendTo[lst, n^2]], {n, 2*10^9}]; lst (from Robert G. Wilson v (rgwv(AT)rgwv.com), Jun 01 2005)
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CROSSREFS
| Cf. A053960, A107665, A107666.
Sequence in context: A115687 A115711 A029791 * A055812 A061867 A019544
Adjacent sequences: A053958 A053959 A053960 * A053962 A053963 A053964
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KEYWORD
| nonn,base
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AUTHOR
| Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 2000.
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EXTENSIONS
| More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005
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