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A090281 "Plain Bob Minimus" in bell-ringing is a sequence of permutations p_1=(1,2,3,4), p_2=(2,1,4,3), .. which runs through all permutations of {1,2,3,4} with period 24; sequence gives position of bell 1 (the treble bell) in n-th permutation. +0
1
1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3, 4, 4, 3, 2, 1, 1, 2, 3 (list; graph; listen)
OFFSET

1,2

COMMENT

This is the "plain hunting" sequence with 4 bells.

LINKS

Rober Bailey, Change Ringing Resources

David Joyner, Application: Bell Ringing

M.I.T. Bell-Ringers, General Information On Change Ringing

Index entries for sequences related to bell ringing

FORMULA

Period 24.

EXAMPLE

The full list of the 24 permutations is as follows (the present sequence tells where the 1's are):

1 2 3 4

2 1 4 3

2 4 1 3

4 2 3 1

4 3 2 1

3 4 1 2

3 1 4 2

1 3 2 4

1 3 4 2

3 1 2 4

3 2 1 4

2 3 4 1

2 4 3 1

4 2 1 3

4 1 2 3

1 4 3 2

1 4 2 3

4 1 3 2

4 3 1 2

3 4 2 1

3 2 4 1

2 3 1 4

2 1 3 4

1 2 4 3

CROSSREFS

Cf. A090277-A090284.

Sequence in context: A058339 A133852 A093150 this_sequence A051951 A107898 A128863

Adjacent sequences: A090278 A090279 A090280 this_sequence A090282 A090283 A090284

KEYWORD

nonn

AUTHOR

njas, Jan 24 2004

page 1

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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