A121019 Value of n written in Braille, seen as 2 X 3 bit-code: 1 for a raised dot and 0 for an empty dot position.

22, 32, 48, 36, 38, 34, 52, 54, 50, 20, 2070, 2080, 2096, 2084, 2086, 2082, 2100, 2102, 2098, 2068, 3094, 3104, 3120, 3108, 3110, 3106, 3124, 3126, 3122, 3092, 2326, 2336, 2352, 2340, 2342, 2338, 2356, 2358, 2354, 2324, 2454, 2464, 2480, 2468, 2470, 2466

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: . | _ . | -> (010)(110)
...... | . . | .. -> 010110[bin] = 22 = a(0)
...... | _ _ |
...... +-----+
n=1: . | . _ | -> (100)(000)
...... | _ _ | .. -> 100000[bin] = 32 = a(1)
...... | _ _ |
...... +-----+
n=2: . | . _ | -> (110)(000)
...... | . _ | .. -> 110000[bin] = 48 = a(2)
...... | _ _ |
...... +-----+
n=3: . | . . | -> (100)(100)
...... | _ _ | .. -> 100100[bin] = 36 = a(3)
...... | _ _ |
...... +-----+
n=4: . | . . | -> (100)(110)
...... | _ . | .. -> 100110[bin] = 38 = a(4)
...... | _ _ |
...... +-----+
n=5: . | . _ | -> (100)(010)
...... | _ . | .. -> 100100[bin] = 34 = a(5)
...... | _ _ |
...... +-----+
n=6: . | . . | -> (110)(100)
...... | . _ | .. -> 111000[bin] = 52 = a(6)
...... | _ _ |
...... +-----+
n=7: . | . . | -> (110)(110)
...... | . . | .. -> 110110[bin] = 54 = a(7)
...... | _ _ |
...... +-----+
n=8: . | . _ | -> (110)(010)
...... | . . | .. -> 101100[bin] = 50 = a(8)
...... | _ _ |
...... +-----+
n=9: . | _ . | -> (010)(100)
...... | . _ | .. -> 010100[bin] = 20 = a(9)
...... | _ _ |
...... +-----+.

Crossrefs

Cf. A121018.

Sequence in context: A106557 A142347 A217059 * A167337 A216798 A100372

Adjacent sequences: A121016 A121017 A121018 * A121020 A121021 A121022

Keyword

nonn,base

Author

Reinhard Zumkeller, Jul 23 2006

Status

approved