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A067473
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Smallest n-digit square starting with 3.
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2
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36, 324, 3025, 30276, 300304, 3003289, 30008484, 300017041, 3000081529, 30000318436, 300000484729, 3000000666601, 30000004655076, 300000032019081, 3000000027329536, 30000000084216561, 300000000542063364
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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2,1
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LINKS
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Table of n, a(n) for n=2..18.
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FORMULA
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a(n) = ceiling(sqrt(3*10^(n-1)))^2, n>1. - Rick L. Shepherd, Feb 14 2002
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PROG
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(PARI) for(n=2, 25, a=ceil(sqrt(3*10^(n-1)))^2; print(a))
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CROSSREFS
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Cf. A035070 (roots), A045786, A067479 (2..9).
Sequence in context: A017594 A014800 A213124 * A223299 A068075 A219004
Adjacent sequences: A067470 A067471 A067472 * A067474 A067475 A067476
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 09 2002
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EXTENSIONS
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More terms from Rick L. Shepherd, Feb 14 2002
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STATUS
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approved
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