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Convert the last term from decimal to binary! a(1)=10.
(Formerly M4759)
1

%I M4759 #19 Jan 19 2025 03:30:13

%S 10,1010,1111110010,1000010001110100011000101111010,

%T 1100100111110011010011100010101000011000101001000100011011011010001111011100010000001000010011100010

%N Convert the last term from decimal to binary! a(1)=10.

%C The next term, a(6), has 330 digits. - _Harvey P. Dale_, Aug 10 2011

%D C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 350.

%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

%t NestList[FromDigits[IntegerDigits[#,2]]&,10,5] (* _Harvey P. Dale_, Aug 10 2011 *)

%Y Essentially the same as A008559.

%K nonn,base

%O 1,1

%A _N. J. A. Sloane_