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A101286 Rounded frequencies in Hz of the notes of the chromatic music scale beginning at A. 2
55, 58, 62, 65, 69, 73, 78, 82, 87, 92, 98, 104, 110, 117, 123, 131, 139, 147, 156, 165, 175, 185, 196, 208, 220, 233, 247, 262, 277, 294, 311, 330, 349, 370, 392, 415, 440, 466, 494, 523, 554, 587, 622, 659, 698, 740, 784, 831, 880, 932, 988, 1047, 1109, 1175 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

The scale is equal-tempered. ("Wohltemperiert", introduced by Johann Sebastian Bach.)

LINKS

T. Yahaya Abdullah, Music Scales, part of Synthesizers, Music and Television.

Wikipedia, Equal temperament

FORMULA

a(1+n)=round[55*2^(n/12)] . - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 12 2008

MAPLE

A101286 := proc(n) round( 55*2.0^((n-1)/12.0)) ; end: seq(A101286(n), n=1..80) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 12 2008

CROSSREFS

Cf. A071831, A071832, A071833.

Sequence in context: A112892 A042511 A020282 * A101285 A159024 A039356

Adjacent sequences:  A101283 A101284 A101285 * A101287 A101288 A101289

KEYWORD

nonn

AUTHOR

Angela Johansson (angvi798(AT)student.liu.se), Dec 20 2004

EXTENSIONS

Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 02 2006

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Mar 12 2008

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Last modified February 18 00:14 EST 2012. Contains 206085 sequences.