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Search: id:A055100
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| A055100 |
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In the game of backgammon, the number of blot hitting rolls when the blot is n points away, n=1,2,...,24. |
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+0
1
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| 11, 12, 14, 15, 15, 17, 6, 6, 5, 3, 2, 3, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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A finite sequence, since a(25) does not exist (a blot cannot be 25 pips away, neither can 25 pips be rolled with two dice). In backgammon, if a double is rolled then the number is played four times, not twice. Hence a roll of 22 hits a blot 8 pips away.
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EXAMPLE
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a(1)=11 since only these rolls hit: 11, 12, 13, 14, 15, 16, 21, 31, 41, 51, 61. a(8)=6 since only these rolls hit: 22, 26, 35, 44, 53, 62. a(13)=0 since no roll hits.
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CROSSREFS
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Sequence in context: A048035 A048015 A061082 this_sequence A088134 A108662 A108722
Adjacent sequences: A055097 A055098 A055099 this_sequence A055101 A055102 A055103
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KEYWORD
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easy,fini,full,nonn
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AUTHOR
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David Brotherton (dbroth02(AT)aol.com), Jun 13 2000
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