A055957 n - reversal of base 8 digits of n (written in base 10).

0, 0, 0, 0, 0, 0, 0, 0, 7, 0, -7, -14, -21, -28, -35, -42, 14, 7, 0, -7, -14, -21, -28, -35, 21, 14, 7, 0, -7, -14, -21, -28, 28, 21, 14, 7, 0, -7, -14, -21, 35, 28, 21, 14, 7, 0, -7, -14, 42, 35, 28, 21, 14, 7, 0, -7, 49, 42, 35, 28, 21, 14, 7, 0, 63, 0, -63, -126, -189, -252, -315, -378, 63, 0, -63, -126, -189, -252, -315

Offset

0,9

Comments

a(n) is a multiple of 7

Links

Table of n, a(n) for n=0..78.

Formula

a(n) =n-A030107(n)

Mathematica

Array[#-FromDigits[Reverse[IntegerDigits[#, 8]], 8]&, 80, 0] (* Harvey P. Dale, Jun 05 2012 *)

Crossrefs

Cf. A056965.

Sequence in context: A019597 A096444 A246918 * A165090 A341484 A117013

Adjacent sequences: A055954 A055955 A055956 * A055958 A055959 A055960

Keyword

base,sign

Author

Henry Bottomley, Jul 18 2000

Status

approved