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

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 A303265 A138332

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