cp's OEIS Frontend

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.

A325448 Fibonacci numbers whose decimal expansion contains the digit 1.

Original entry on oeis.org

1, 13, 21, 144, 610, 1597, 4181, 10946, 17711, 121393, 196418, 317811, 514229, 1346269, 2178309, 14930352, 24157817, 39088169, 102334155, 165580141, 267914296, 701408733, 1134903170, 1836311903, 2971215073, 12586269025, 20365011074, 32951280099
Offset: 1

Views

Author

Vincenzo Librandi, May 03 2019

Keywords

Comments

Complement of A177195.

Crossrefs

Programs

  • Magma
    [ Fibonacci(n): n in [2..55] |  1 in Intseq(Fibonacci(n)) ];
    
  • Mathematica
    Rest[Select[Fibonacci@Range@50, MemberQ[IntegerDigits[#], 1] &]]
  • 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))
    /* Print initial 30 terms as follows */
    terms(30) \\ Felix Fröhlich, May 04 2019