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 A325448 #12 Sep 08 2022 08:46:24 %S A325448 1,13,21,144,610,1597,4181,10946,17711,121393,196418,317811,514229, %T A325448 1346269,2178309,14930352,24157817,39088169,102334155,165580141, %U A325448 267914296,701408733,1134903170,1836311903,2971215073,12586269025,20365011074,32951280099 %N A325448 Fibonacci numbers whose decimal expansion contains the digit 1. %C A325448 Complement of A177195. %t A325448 Rest[Select[Fibonacci@Range@50, MemberQ[IntegerDigits[#], 1] &]] %o A325448 (Magma) [ Fibonacci(n): n in [2..55] | 1 in Intseq(Fibonacci(n)) ]; %o A325448 (PARI) terms(n) = my(i=0); for(k=2, oo, my(fib=fibonacci(k), fibd=digits(fib)); if(setintersect(vecsort(fibd), vector(#fibd, x, 1)), print1(fib, ", "); i++); if(i>=n, break)) %o A325448 /* Print initial 30 terms as follows */ %o A325448 terms(30) \\ _Felix Fröhlich_, May 04 2019 %Y A325448 Cf. A000045, A177195. %K A325448 nonn,base %O A325448 1,2 %A A325448 _Vincenzo Librandi_, May 03 2019