A001491 - OEIS

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A001491

Opus numbers of Beethoven's nine symphonies.

21, 36, 55, 60, 67, 68, 92, 93, 125

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Called the "Trice sequence" in C. A. Pickover's "Mazes for the Mind", 1992, p. 351.

REFERENCES

George Grove, Beethoven and his Nine Symphonies (1896), reprinted by Dover Publications, Inc., New York.

LINKS

Table of n, a(n) for n=1..9.

Beethoven web site

Index entries for sequences based on music

EXAMPLE

Symphony No. 1 in C (Op. 21)

Symphony No. 2 in D (Op. 36)

Symphony No. 3 in E flat (Op. 55), Eroica

Symphony No. 4 in B flat (Op. 60)

Symphony No. 5 in C minor (Op. 67)

Symphony No. 6 in F (Op. 68), Pastoral

Symphony No. 7 in A (Op. 92),

Symphony No. 8 in F (Op. 93),

Symphony No. 9 in D minor (Op. 125), Choral

CROSSREFS

Sequence in context: A219215 A342719 A155710 * A112352 A298472 A168513

Adjacent sequences: A001488 A001489 A001490 * A001492 A001493 A001494

KEYWORD

fini,full,nonn

AUTHOR

N. J. A. Sloane, GEIER(AT)LaDune.Westfalen.De (Michael Gierhake)

EXTENSIONS

This was a mystery for many years - even Clifford Pickover could not recall the explanation. It was finally identified in 1998 by Derek Holt (dfh(AT)maths.warwick.ac.uk).

Additional comments from Neven Juric, Apr 15 2010

STATUS

approved