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A159902 Concatenation of the first n enries of A144338. 1
2, 23, 235, 2356, 23567, 2356710, 235671011, 23567101113, 2356710111314, 235671011131415, 23567101113141517, 2356710111314151719, 235671011131415171921, 23567101113141517192122 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Concatenation of the squarefree numbers A005117(2) to A005117(n+1).

CROSSREFS

Cf. A144338, A005117, A159901.

Sequence in context: A088094 A112782 A093672 * A118385 A098739 A091762

Adjacent sequences:  A159899 A159900 A159901 * A159903 A159904 A159905

KEYWORD

nonn,base,less

AUTHOR

Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Apr 25 2009

EXTENSIONS

Slightly edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Apr 28 2009

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Last modified February 14 15:32 EST 2012. Contains 205635 sequences.