%I #16 Jul 30 2013 09:13:11

%S 0,1,3,2,4,5,6,7,8,9,10,11,13,12,14,15,16,17,18,19,30,31,33,32,34,35,

%T 36,37,38,39,20,21,23,22,24,25,26,27,28,29,40,41,43,42,44,45,46,47,48,

%U 49,50,51,53,52,54,55,56,57,58,59,60,61,63,62,64,65,66,67,68

%N Exchange 2 and 3.

%C The map which is applied to primes in A171018. - _M. F. Hasler_, Feb 12 2013

%C Rearrangement of A001477 (the nonnegative integers). - _Zak Seidov_, Feb 15 2013

%H Vincenzo Librandi, <a href="/A035044/b035044.txt">Table of n, a(n) for n = 0..1000</a>

%t FromDigits[IntegerDigits[#]/.{2->3,3->2}]&/@Range[0,68] (* _Zak Seidov_, Feb 15 2013 *)

%o (PARI) A222227(n, d=[0, 1, 3, 2, 4, 5, 6, 7, 8, 9])=sum(i=1, #n=digits(n), d[n[i]+1]*10^(#n-i)) \\ gives correct value for n=0 iff d[1]=0, since digits(0)=[] in PARI (v.2.6), _M. F. Hasler_, Feb 12 2013

%Y Cf. A001477, A171018, A222210-A222254; A171013-A171016, A175770.

%K nonn,base,easy

%O 0,3

%A _N. J. A. Sloane_.