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A145381 Prime numbers p such that p^2 is a concatenation of decimal representations of m and m-1 for some integer m. 2
9901, 99990001, 999999000001, 9999999900000001, 811451682377384625400019885321, 666809750614092756440997454321145572124297 (list; graph; refs; listen; history; text; internal format)
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

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Last modified December 2 15:42 EST 2022. Contains 358510 sequences. (Running on oeis4.)