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Search: id:A077503
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| A077503 |
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Smallest n-digit square beginning with n. |
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+0
2
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| 1, 25, 324, 4096, 50176, 600625, 7001316, 80013025, 900000000, 1000014129, 11000024161, 120000580921, 1300001310976, 14000004588964, 150000007007601, 1600000000000000, 17000000233634401, 180000000244436761
(list; graph; listen)
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OFFSET
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1,2
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FORMULA
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a(n) = {ceiling[{n*10^d}^(1/2)]}^2. where d = n-digit(n), digit(n) = number of digits in n. - Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 11 2003
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CROSSREFS
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Cf. A087095.
Sequence in context: A128377 A053805 A125437 this_sequence A020275 A020233 A020319
Adjacent sequences: A077500 A077501 A077502 this_sequence A077504 A077505 A077506
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 08 2002
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EXTENSIONS
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More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 11 2003
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