A159901 - OEIS

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A159901

Concatenation of the first n squarefree numbers A005117.

1, 12, 123, 1235, 12356, 123567, 12356710, 1235671011, 123567101113, 12356710111314, 1235671011131415, 123567101113141517, 12356710111314151719, 1235671011131415171921, 123567101113141517192122 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	FORMULA	`Prepend 1 to the terms of A159902(n-1).`
	CROSSREFS	`Cf. A005117.` `Sequence in context: A132943 A187871 A187869 * A159900 A134802 A141266` `Adjacent sequences: A159898 A159899 A159900 * A159902 A159903 A159904`
	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 17 04:42 EST 2012. Contains 205979 sequences.