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A053883
Squares composed of digits {1,2,6}.
2
1, 16, 121, 2116, 261121, 2621161, 6222212161, 6626611216, 6661661161, 26166621121, 1221126662116, 2121112611216, 21122122166161, 662612612216121616, 16611262122666122666161, 12626261111222162126111612161, 2221262216626122626662262611111116211216, 2662116111222626216162621266666216222222216621166116
OFFSET
1,2
CROSSREFS
Cf. A053882.
Sequence in context: A069667 A104265 A068880 * A191484 A030508 A006215
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
a(18) from Zhao Hui Du, Feb 28 2024
STATUS
approved