id:A045888 - OEIS Search Results

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Number of distinct odd numbers visible as proper substrings of n.

+0
3

0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 1, 1, 2, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 1, 1, 2, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 1, 1, 2, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 1, 1, 1, 2, 1, 2 (list; graph; listen)

	OFFSET	`1,13`
	COMMENT	`a(A164766(n))=n and a(m)<>n for m<A164766(n); a(A014263(n))=0. [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 25 2009]`
	LINKS	`R. Zumkeller, Table of n, a(n) for n = 1..20000 [From Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 25 2009]`
	EXAMPLE	`The first nonzero entry is a(10)=1 since we can see 1 as a proper substring of 10; a(132)=3 because we can see 1,3,13.`
	CROSSREFS	`Sequence in context: A069349 A167404 A062754 this_sequence A107279 A078461 A111621` `Adjacent sequences: A045885 A045886 A045887 this_sequence A045889 A045890 A045891`
	KEYWORD	`base,easy,nonn,nice`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), Sep 28 2000`

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.

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