id:A081032 - OEIS Search Results

Search: id:A081032

Displaying 1-1 of 1 results found.

page 1

Positions of black keys on piano keyboard.

+0
3

2, 5, 7, 10, 12, 14, 17, 19, 22, 24, 26, 29, 31, 34, 36, 38, 41, 43, 46, 48, 50, 53, 55, 58, 60, 62, 65, 67, 70, 72, 74, 77, 79, 82, 84, 86 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n) = [(12n+2)/5]`
	EXAMPLE	`2nd, 5th, 7th, 10th, etc. keys of piano keyboard are black.`
	CROSSREFS	`Cf. A059620, A081031.` `Adjacent sequences: A081029 A081030 A081031 this_sequence A081033 A081034 A081035` `Sequence in context: A018636 A068007 A033094 this_sequence A082845 A003153 A022849`
	KEYWORD	`fini,full,nonn`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net), Mar 02 2003`

page 1

Search completed in 0.002 seconds

Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.

AT&T Labs Research