id:A098733 - OEIS Search Results

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Consider the sequence {b(n), n >= 1} of digits of the natural (or counting) numbers: 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0... (A007376); a(n) = n*b(n).

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1, 4, 9, 16, 25, 36, 49, 64, 81, 10, 0, 12, 13, 14, 30, 16, 51, 18, 76, 20, 105, 22, 138, 24, 175, 26, 216, 28, 261, 60, 0, 64, 33, 68, 70, 72, 111, 76, 156, 80, 205, 84, 258, 88, 315, 92, 376, 96, 441, 150, 0, 156, 53, 162, 110, 168, 171, 174, 236, 180, 305, 186, 378, 192 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Cf. A098727, etc.` `Adjacent sequences: A098730 A098731 A098732 this_sequence A098734 A098735 A098736` `Sequence in context: A062331 A069940 A118881 this_sequence A083163 A068522 A048385`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Sep 30 2004`
	EXTENSIONS	`More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 18 2006`

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Last modified October 13 09:05 EDT 2008. Contains 145008 sequences.

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