A230633 - OEIS

%I #10 Oct 31 2013 11:02:36

%S 0,2,4,5,6,7,9,10,11,12,14,15,16,22,23,24,26,27,28,29,31,32,33,39,40,

%T 41,43,44,45,46,48,49,50,56,57,58,60,61,62,63,66,68,69,71,74,75,76,77,

%U 79,80,81,87,88,89,91,92,93,94,96,97,98,104,105,106,108,109,110,111,113,114,115,121,122,123,125,126,127

%N Numbers n such that m + (sum of digits in base-4 representation of m) = n has exactly one solution.

%H Donovan Johnson, <a href="/A230633/b230633.txt">Table of n, a(n) for n = 1..10000</a>

%H <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a>

%Y Cf. A010064, A230631-A230635.

%Y Related base-4 sequences:  A053737, A230631, A230632, A010064, A230633, A230634, A230635, A230636, A230637, A230638, A010065 (trajectory of 1)

%K nonn,base

%O 1,2

%A _N. J. A. Sloane_, Oct 30 2013