%I #26 Apr 16 2021 12:44:37
%S 1,3,8,13,18,20,25,30,35,37,42,47,52,54,59,64,73,78,83,85,90,95,100,
%T 102,107,112,117,119,124,129,138,143,148,150,155,160,165,167,172,177,
%U 182,184,189,194,203,208,213,215,220,225,230,232,237,242,247,249,254
%N Base 4 self or Colombian numbers (not of form k + sum of base 4 digits of k).
%D Steven R. Finch, Mathematical Constants, Cambridge, 2003, Section 2.24, pp. 179-180.
%D József Sándor and Borislav Crstici, Handbook of Number theory II, Kluwer Academic Publishers, 2004, Chapter 4, pp. 384-386.
%H Donovan Johnson, <a href="/A010064/b010064.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>
%t s[n_] := n + Plus @@ IntegerDigits[n, 4]; m = 250; Complement[Range[m], Array[s, m]] (* _Amiram Eldar_, Nov 28 2020 *)
%Y Cf. A003052, A010061, A010067, A010070, 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 _Leonid Broukhis_