A145381 Prime numbers p such that p^2 is a concatenation of decimal representations of m and m-1 for some integer m.

9901, 99990001, 999999000001, 9999999900000001, 811451682377384625400019885321, 666809750614092756440997454321145572124297

Offset

1,1

Links

Max Alekseyev. Table of n, a(n) for n = 1..96

Crossrefs

Prime elements of A054216.

Sequence in context: A205350 A187868 A072848 * A212401 A252227 A252622

Adjacent sequences: A145378 A145379 A145380 * A145382 A145383 A145384

Keyword

base,nonn

Author

Max Alekseyev, Oct 09 2008

Status

approved