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A053882
Numbers k such that k^2 contains only digits {1,2,6}.
1
1, 4, 11, 46, 511, 1619, 78881, 81404, 81619, 161761, 1105046, 1456404, 4595881, 814010204, 128884685369, 112366637002369, 47130268582155593596, 51595698572871617009432954
OFFSET
1,2
CROSSREFS
Cf. A053883.
Sequence in context: A149301 A149302 A149303 * A246652 A254202 A149304
KEYWORD
nonn,base,more
AUTHOR
Patrick De Geest, Mar 15 2000
EXTENSIONS
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005
More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 14 2005
a(18) from Zhao Hui Du, Feb 28 2024
STATUS
approved