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In the number n, replace all (decimal) digits '1' with '6' and vice versa.
1

%I #12 Mar 31 2017 00:25:35

%S 0,6,2,3,4,5,1,7,8,9,60,66,62,63,64,65,61,67,68,69,20,26,22,23,24,25,

%T 21,27,28,29,30,36,32,33,34,35,31,37,38,39,40,46,42,43,44,45,41,47,48,

%U 49,50,56,52,53,54,55,51,57,58,59,10,16,12,13,14,15,11,17,18,19,70,76,72,73,74,75

%N In the number n, replace all (decimal) digits '1' with '6' and vice versa.

%C The map which is applied to primes in A171029.

%H Vincenzo Librandi, <a href="/A222223/b222223.txt">Table of n, a(n) for n = 0..1000</a>

%t a[n_]:= IntegerDigits[n]/.{1->6, 6->1} // FromDigits; Table[a[n], {n, 0, 80}] (* _Vincenzo Librandi_, Jul 29 2013 *)

%o (PARI) A222223(n,d=[0,6,2,3,4,5,1,7,8,9])=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)

%Y Cf. A222210-A222254; A171013-A171016, A175770, A171018-A171057.

%K nonn,base,easy

%O 0,2

%A _M. F. Hasler_, Feb 12 2013