This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A076564 #14 Feb 11 2025 11:51:12 %S A076564 1,2,3,4,5,6,7,8,9,10,11,12,13,14,16,17,18,19,20,22,23,24,26,27,28,29, %T A076564 31,33,35,37,39,42,43,53,54,55,56,57,58,78,80,85,87,97,125,184 %N A076564 List of numbers k such that the k-th Fibonacci number (A000045) does not contain the digit zero. %C A076564 Probably finite, and probably 184 is the last term. No further terms below 10000. - _N. J. A. Sloane_, Dec 13 2019 %D A076564 A. Altassan and F. Luca, On a curious property of F_{184}, Fib. Q., 57:4 (2019), 363-365. %H A076564 Shyam Sunder Gupta, <a href="http://www.shyamsundergupta.com/canyoufind.htm">Can You Find no. 9</a> %t A076564 Select[ Range[50000], Union[ IntegerDigits[ Fibonacci[ # ]]] [[1]] != 0 & ] %t A076564 Select[Range[200],DigitCount[Fibonacci[#],10,0]==0&] (* _Harvey P. Dale_, May 15 2019 *) %o A076564 (PARI) isok(k) = #select(x->(x==0), digits(fibonacci(k))) == 0; %o A076564 select(isok, [1..1000]) \\ _Michel Marcus_, Feb 11 2025 %Y A076564 Cf. A000045, A246558. %K A076564 nonn,base %O A076564 1,2 %A A076564 _Robert G. Wilson v_, Oct 19 2002