A055122 Base-12 complement of n (write n in base 12, then replace each digit with its base-12 negative).

0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 132, 143, 142, 141, 140, 139, 138, 137, 136, 135, 134, 133, 120, 131, 130, 129, 128, 127, 126, 125, 124, 123, 122, 121, 108, 119, 118, 117, 116, 115, 114, 113, 112, 111, 110, 109, 96, 107, 106, 105, 104, 103, 102, 101, 100, 99

Offset

0,2

Links

Reinhard Zumkeller, Table of n, a(n) for n = 0..20735 (20735 = 12^4 - 1)

Index entries for sequences that are permutations of the natural numbers

Prog

(Haskell)
a055122 0 = 0
a055122 n = if d == 0 then 12 * a055122 n' else 12 * a055122 n' + 12 - d
            where (n', d) = divMod n 12
-- Reinhard Zumkeller, Mar 12 2014

Crossrefs

Cf. A004488, A048647, A055115-A055126.

Column k=12 of A248813.

Sequence in context: A022967 A023453 A261304 * A279650 A004452 A291467

Adjacent sequences: A055119 A055120 A055121 * A055123 A055124 A055125

Keyword

base,easy,nonn

Author

Henry Bottomley, Apr 19 2000

Status

approved