id:A159901 - OEIS Search Results

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Concatenation of the first n squarefree numbers A005117.

+0
2

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

	OFFSET	`1,2`
	FORMULA	`Prepend 1 to the terms of A159902(n-1).`
	CROSSREFS	`Cf. A005117.` `Sequence in context: A007908 A057932 A132943 this_sequence A159900 A134802 A141266` `Adjacent sequences: A159898 A159899 A159900 this_sequence 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 December 9 18:50 EST 2009. Contains 170568 sequences.

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