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A034906 Powers of 2 written backwards and sorted. 3

%I #13 Jul 03 2020 12:17:24

%S 1,2,4,8,23,46,61,215,652,821,2918,4201,6904,8402,48361,63556,86723,

%T 270131,441262,882425,2517902,4034914,6758401,8068838,23445533,

%U 46880176,61277761,219078635,654534862

%N Powers of 2 written backwards and sorted.

%H T. D. Noe, <a href="/A034906/b034906.txt">Table of n, a(n) for n=1..1000</a>

%t Sort[FromDigits[Reverse[IntegerDigits[#]]]&/@(2^Range[0,30])] (* _Harvey P. Dale_, Mar 06 2012 *)

%t IntegerReverse[#]&/@(2^Range[0,30])//Sort (* Requires Mathematica version 10 or later *) (* _Harvey P. Dale_, Jul 03 2020 *)

%Y Cf. A000079, A004094.

%K nonn,base,easy,nice

%O 1,2

%A _N. J. A. Sloane_

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Last modified September 5 07:27 EDT 2024. Contains 375686 sequences. (Running on oeis4.)