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Search: id:A067473
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| A067473 |
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Smallest n-digit square starting with 3. |
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+0
3
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| 36, 324, 3025, 30276, 300304, 3003289, 30008484, 300017041, 3000081529, 30000318436, 300000484729, 3000000666601, 30000004655076, 300000032019081, 3000000027329536, 30000000084216561, 300000000542063364
(list; graph; listen)
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OFFSET
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2,1
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FORMULA
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a(n) = ceiling(sqrt(3*10^(n-1)))^2, n>1. - Rick L. Shepherd (rshepherd2(AT)hotmail.com), Feb 14 2002
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PROGRAM
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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: A045786 A017594 A014800 this_sequence A068075 A053136 A000821
Adjacent sequences: A067470 A067471 A067472 this_sequence 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 (rshepherd2(AT)hotmail.com), Feb 14 2002
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