login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A121018 Value of n written in Braille, seen as 3 X 2 bit-code: 1 for a raised dot and 0 for an empty dot position. 4
28, 32, 40, 48, 52, 36, 56, 60, 44, 24, 2076, 2080, 2088, 2096, 2100, 2084, 2104, 2108, 2092, 2072, 2588, 2592, 2600, 2608, 2612, 2596, 2616, 2620, 2604, 2584, 3100, 3104, 3112, 3120, 3124, 3108, 3128, 3132, 3116, 3096, 3356, 3360, 3368, 3376, 3380, 3364 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

A000120(a(n)) = A079399(n).

LINKS

Table of n, a(n) for n=0..45.

Wikipedia, Braille

FORMULA

a(n) = a(floor(n/10))*64 + a(n mod 10) for n>9.

EXAMPLE

...... +-----+

n=0: . | _ . | -> (01)(11)(00)

...... | . . | .. -> 011100[bin] = 28 = a(0)

...... | _ _ |

...... +-----+

n=1: . | . _ | -> (10)(00)(00)

...... | _ _ | .. -> 100000[bin] = 32 = a(1)

...... | _ _ |

...... +-----+

n=2: . | . _ | -> (10)(10)(00)

...... | . _ | .. -> 101000[bin] = 40 = a(2)

...... | _ _ |

...... +-----+

n=3: . | . . | -> (11)(00)(00)

...... | _ _ | .. -> 110000[bin] = 48 = a(3)

...... | _ _ |

...... +-----+

n=4: . | . . | -> (11)(01)(00)

...... | _ . | .. -> 110100[bin] = 52 = a(4)

...... | _ _ |

...... +-----+

n=5: . | . _ | -> (10)(01)(00)

...... | _ . |.. -> 100100[bin] = 36 = a(5)

...... | _ _ |

...... +-----+

n=6: . | . . | -> (11)(10)(00)

...... | . _ | .. -> 111000[bin] = 56 = a(6)

...... | _ _ |

...... +-----+

n=7: . | . . | -> (11)(11)(00)

...... | . . | .. -> 111100[bin] = 60 = a(7)

...... | _ _ |

...... +-----+

n=8: . | . _ | -> (10)(11)(00)

...... | . . | .. -> 101100[bin] = 44 = a(8)

...... | _ _ |

...... +-----+

n=9: . | _ . | -> (01)(10)(00)

...... | . _ | .. -> 011000[bin] = 24 = a(9)

...... | _ _ |

...... +-----+.

CROSSREFS

Cf. A121019.

Sequence in context: A116566 A057483 A025367 * A232727 A232766 A230855

Adjacent sequences:  A121015 A121016 A121017 * A121019 A121020 A121021

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Jul 23 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 24 18:03 EDT 2019. Contains 322430 sequences. (Running on oeis4.)