A325448 Fibonacci numbers whose decimal expansion contains the digit 1.
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
Programs
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Magma
[ Fibonacci(n): n in [2..55] | 1 in Intseq(Fibonacci(n)) ];
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Mathematica
Rest[Select[Fibonacci@Range@50, MemberQ[IntegerDigits[#], 1] &]]
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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
Comments