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A067476 Smallest n-digit square starting with 6. 1
64, 625, 6084, 60025, 600625, 6002500, 60000516, 600005025, 6000051600, 60000012601, 600000512409, 6000001260100, 60000004765089, 600000028030404, 6000000011750889, 60000000353550625, 600000001175088900 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..18.

FORMULA

a(n) = ceiling(sqrt(6*10^(n-1)))^2, n>1. - Rick L. Shepherd, Feb 18 2002

PROG

(PARI) for(n=2, 21, a=ceil(sqrt(6*10^(n-1)))^2; print(a))

CROSSREFS

Cf. A035073 (roots), A045789, A067479 (2..9).

Sequence in context: A250355 A045789 A000525 * A179810 A138332 A091083

Adjacent sequences:  A067473 A067474 A067475 * A067477 A067478 A067479

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Feb 09 2002

EXTENSIONS

More terms from Rick L. Shepherd, Feb 18 2002

STATUS

approved

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Last modified August 29 05:24 EDT 2015. Contains 261185 sequences.