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Search: id:A067475
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| A067475 |
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Smallest n-digit square starting with 5. |
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+0
3
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| 529, 5041, 50176, 501264, 5004169, 50013184, 500014321, 5000045521, 50000090449, 500000309449, 5000000100624, 50000002660624, 500000010062400, 5000000124641041, 50000000111812804, 500000001150395524
(list; graph; listen)
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OFFSET
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3,1
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FORMULA
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a(n) = ceiling(sqrt(5*10^(n-1)))^2, n>2. - Rick L. Shepherd (rshepherd2(AT)hotmail.com), Feb 18 2002
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PROGRAM
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(PARI) for(n=3, 22, a=ceil(sqrt(5*10^(n-1)))^2; print(a))
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CROSSREFS
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Cf. A035072 (roots), A045788, A067479 (2..9).
Adjacent sequences: A067472 A067473 A067474 this_sequence A067476 A067477 A067478
Sequence in context: A020289 A082409 A066742 this_sequence A052074 A112079 A034987
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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 18 2002
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