A051833 Primes of form (2*10^(5n) - 10^(4n) + 2*10^(3n) + 10^(2n) + 10^n + 1)/3.

2, 64037, 66666663333334000000033333336666667

Offset

1,1

Comments

The Baxter-Hickerson function provides a number whose cube lacks zeros.

Links

Table of n, a(n) for n=1..3.

Ed Pegg, Jr., Fun with numbers.

Eric Weisstein's World of Mathematics, Baxter-Hickerson Function.

Crossrefs

Cubes : A052044, A052045, A051750, A051751, A051832. Squares : A052040, A052041, A052042, A052043.

Sequence in context: A285694 A306907 A052427 * A213619 A060895 A100266

Adjacent sequences: A051830 A051831 A051832 * A051834 A051835 A051836

Keyword

hard,nonn,bref

Author

G. L. Honaker, Jr., Dec 11 1999

Extensions

Next term has 665 digits.

Status

approved