%I #13 Jun 06 2023 04:20:31
%S 6,7,8,1,8,7,2,4,3,5,1,4,2,3,8,8,8,8,8,6,4,5,7,6,3,6,3,6,7,7,8,2,0,5,
%T 3,0,2,9,0,4,1,8,1,8,8,3,4,5,4,6,9,9,3,2,7,2,7,0,7,6,2,9,1,3,7,7,2,1,
%U 8,6,6,4,0,5,1,5,0,2,8,5,1,8,5,7,8,4,8,8,6,3,8,1,5,8,4,3,2,7,7,0,8,1,3,5,5,7,8
%N Decimal expansion of 3 + log_2(3) + log_2(3 + log_2(3)).
%C This is the fourth term in the sequence of real numbers discussed in A229168-A229170.
%H <a href="/index/Coi#Colombian">Index entries for Colombian or self numbers and related sequences</a>.
%e 6.7818724351423888886457636367782053029041818834546993272707...
%t RealDigits[3 + Log2[3] + Log2[3 + Log2[3]], 10, 120][[1]] (* _Amiram Eldar_, Jun 06 2023 *)
%Y Cf. A229168, A229169, A229170, A155921, A020857.
%K nonn,cons
%O 1,1
%A _N. J. A. Sloane_, Sep 28 2013