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A052041
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Squares lacking the digit zero in their decimal expansion.
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22
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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
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OFFSET
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1,2
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COMMENTS
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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
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LINKS
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Alois P. Heinz, Table of n, a(n) for n = 1..1000
Eric Weisstein's World of Mathematics, Zerofree [From Reinhard Zumkeller, Dec 01 2009]
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MATHEMATICA
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Select[Range[66]^2, FreeQ[IntegerDigits[#], 0]==True &] (* Jayanta Basu, May 25 2013 *)
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CROSSREFS
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Cf. A104264, A102265, A102266.
Squares: A052040, A052042, A052043. Cubes: A051750, A051751, A051832, A051833.
Sequence in context: A068854 A068867 A111704 * A018884 A050749 A096599
Adjacent sequences: A052038 A052039 A052040 * A052042 A052043 A052044
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest, Dec 15 1999
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STATUS
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approved
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