id:A111706 - OEIS Search Results

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a(n) = concatenation of k times the k-th digit of n.

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1, 2, 3, 4, 5, 6, 7, 8, 9, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 120, 121, 122, 123, 124, 125, 126 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`The obvious pattern only holds until a(149) = 389; a(150) = 3100. - Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 08 2006`
	EXAMPLE	`a(12) = {concatenation 21, 12}= 22. a(111)= 321.` `a(12345) = 58985.`
	CROSSREFS	`Sequence in context: A051885 A048410 A102491 this_sequence A118761 A024657 A140281` `Adjacent sequences: A111703 A111704 A111705 this_sequence A111707 A111708 A111709`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Aug 22 2005`
	EXTENSIONS	`More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 08 2006`

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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