A055117 - OEIS

%I #13 Mar 31 2017 22:25:28

%S 0,6,5,4,3,2,1,42,48,47,46,45,44,43,35,41,40,39,38,37,36,28,34,33,32,

%T 31,30,29,21,27,26,25,24,23,22,14,20,19,18,17,16,15,7,13,12,11,10,9,8,

%U 294,300,299,298,297,296,295,336,342,341,340,339,338,337,329,335,334

%N Base-7 complement of n (write n in base 7, then replace each digit with its base-7 negative).

%H Alois P. Heinz, <a href="/A055117/b055117.txt">Table of n, a(n) for n = 0..2400</a>

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%Y Cf. A004488, A048647, A055115-A055126.

%Y Column k=7 of A248813.

%K base,easy,nonn

%O 0,2

%A _Henry Bottomley_, Apr 19 2000