A067476 Smallest n-digit square starting with 6.

64, 625, 6084, 60025, 600625, 6002500, 60000516, 600005025, 6000051600, 60000012601, 600000512409, 6000001260100, 60000004765089, 600000028030404, 6000000011750889, 60000000353550625, 600000001175088900

Offset

2,1

Links

Harvey P. Dale, Table of n, a(n) for n = 2..1000

Formula

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

Mathematica

Ceiling[Sqrt[6*10^Range[20]]]^2 (* Harvey P. Dale, Feb 28 2025 *)

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 A303265 A138332

Adjacent sequences: A067473 A067474 A067475 * A067477 A067478 A067479

Keyword

base,easy,nonn,changed

Author

Amarnath Murthy, Feb 09 2002

Extensions

More terms from Rick L. Shepherd, Feb 18 2002

Status

approved