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.

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

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