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A052041
Squares lacking the digit zero in their decimal expansion.
23
1, 4, 9, 16, 25, 36, 49, 64, 81, 121, 144, 169, 196, 225, 256, 289, 324, 361, 441, 484, 529, 576, 625, 676, 729, 784, 841, 961, 1156, 1225, 1296, 1369, 1444, 1521, 1681, 1764, 1849, 1936, 2116, 2916, 3136, 3249, 3364, 3481, 3721, 3844, 3969, 4225, 4356
OFFSET
1,2
COMMENTS
This sequence is infinite: see A075415 or A102807 for a constructive proof.
Intersection of A052382 and A000290; A168046(a(n))*A010052(a(n))=1. - Reinhard Zumkeller, Dec 01 2009
LINKS
Eric Weisstein's World of Mathematics, Zerofree [From Reinhard Zumkeller, Dec 01 2009]
MATHEMATICA
Select[Range[66]^2, FreeQ[IntegerDigits[#], 0]==True &] (* Jayanta Basu, May 25 2013 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Dec 15 1999
STATUS
approved