A113457 Least number that begins an n-term arithmetic progression with common difference 2 in which all terms have the same prime signature.

1, 3, 3, 213, 213, 1383, 3091, 8129

Offset

1,2

Comments

Second column of A113456. a(9) >= 37887000000.

Links

Table of n, a(n) for n=1..8.

Crossrefs

Cf. A092209 A113456 A113466.

Sequence in context: A094755 A152418 A273925 * A113466 A007301 A009715

Adjacent sequences: A113454 A113455 A113456 * A113458 A113459 A113460

Keyword

hard,nonn,less

Author

David Wasserman, Jan 08 2006

Status

approved