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A067475
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Smallest n-digit square starting with 5.
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2
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529, 5041, 50176, 501264, 5004169, 50013184, 500014321, 5000045521, 50000090449, 500000309449, 5000000100624, 50000002660624, 500000010062400, 5000000124641041, 50000000111812804, 500000001150395524
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,1
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FORMULA
| 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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PROG
| (PARI) for(n=3, 22, a=ceil(sqrt(5*10^(n-1)))^2; print(a))
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CROSSREFS
| Cf. A035072 (roots), A045788, A067479 (2..9).
Sequence in context: A020289 A082409 A066742 * A052074 A112079 A156573
Adjacent sequences: A067472 A067473 A067474 * A067476 A067477 A067478
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KEYWORD
| base,easy,nonn
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AUTHOR
| Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 09 2002
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EXTENSIONS
| More terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com), Feb 18 2002
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