The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #13 Mar 31 2017 22:26:35
%S 0,4,3,2,1,20,24,23,22,21,15,19,18,17,16,10,14,13,12,11,5,9,8,7,6,100,
%T 104,103,102,101,120,124,123,122,121,115,119,118,117,116,110,114,113,
%U 112,111,105,109,108,107,106,75,79,78,77,76,95,99,98,97,96,90,94,93,92
%N Base-5 complement of n (write n in base 5, then replace each digit with its base-5 negative).
%H Alois P. Heinz, <a href="/A055115/b055115.txt">Table of n, a(n) for n = 0..3124</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=5 of A248813.
%K base,easy,nonn
%O 0,2
%A _Henry Bottomley_, Apr 19 2000