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Search: id:A079399
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| A079399 |
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Number of dots in Braille representation of n. |
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+0
6
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| 3, 1, 2, 2, 3, 2, 3, 4, 3, 2, 4, 2, 3, 3, 4, 3, 4, 5, 4, 3, 5, 3, 4, 4, 5, 4, 5, 6, 5, 4, 5, 3, 4, 4, 5, 4, 5, 6, 5, 4, 6, 4, 5, 5, 6, 5, 6, 7, 6, 5, 5, 3, 4, 4, 5, 4, 5, 6, 5, 4, 6, 4, 5, 5, 6, 5, 6, 7, 6, 5, 7, 5, 6, 6, 7, 6, 7, 8, 7, 6, 6, 4, 5, 5, 6, 5, 6, 7, 6, 5, 5, 3, 4, 4, 5, 4, 5, 6, 5, 4
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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The number of dots in [0..9] is [3,1,2,2,3,2,3,4,3,2]
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LINKS
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American Foundation for the Blind, Braille Bug
RNIB, This is Braille
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FORMULA
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a(n) = A000120(A121018(n)) = A000120(A121019(n)). - Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jul 23 2006
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EXAMPLE
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a(11)=1+1=2
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PROGRAM
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(PARI) { braille=[3, 1, 2, 2, 3, 2, 3, 4, 3, 2]; for (n=0, 99, b=braille[n%10+1]; if (n>9, b=b+braille[n\10+1]); print1(b", ")) }
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CROSSREFS
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See A072283 for another version. Cf. A079401, A079405.
Adjacent sequences: A079396 A079397 A079398 this_sequence A079400 A079401 A079402
Sequence in context: A003016 A108121 A072548 this_sequence A092155 A029336 A010280
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KEYWORD
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nonn
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AUTHOR
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Jon Perry (perry(AT)globalnet.co.uk), Feb 16 2003
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