cp's OEIS Frontend

A245852 Powers of 8 without the digit '0' in their decimal expansion.

%I A245852 #12 Nov 11 2022 04:38:13
%S A245852 1,8,64,512,32768,262144,16777216,134217728,8589934592,68719476736,
%T A245852 549755813888,2251799813685248,4722366482869645213696,
%U A245852 2417851639229258349412352
%N A245852 Powers of 8 without the digit '0' in their decimal expansion.
%C A245852 Conjectured to be finite.
%t A245852 Select[8^Range[0, 2*10^5], DigitCount[#, 10, 0]==0 &]
%o A245852 (Magma) [8^n: n in [0..3*10^4] | not 0 in Intseq(8^n)];
%o A245852 (Python)
%o A245852 from itertools import count, islice
%o A245852 def A245852_gen(): # generator of terms
%o A245852     return filter(lambda n:not '0' in str(n),(1<<3*n for n in count(0)))
%o A245852 A245852_list = list(islice(A245852_gen(),10)) # _Chai Wah Wu_, Nov 10 2022
%Y A245852 Subsequence of A001018.
%Y A245852 Cf. similar sequences listed in A245853.
%K A245852 nonn,base
%O A245852 1,2
%A A245852 _Vincenzo Librandi_, Aug 04 2014