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A247338
a(n) = Fibonacci(n) concatenated with Lucas(n).
2
2, 11, 13, 24, 37, 511, 818, 1329, 2147, 3476, 55123, 89199, 144322, 233521, 377843, 6101364, 9872207, 15973571, 25845778, 41819349, 676515127, 1094624476, 1771139603, 2865764079, 46368103682, 75025167761, 121393271443, 196418439204, 317811710647, 5142291149851
OFFSET
0,1
LINKS
MATHEMATICA
Table[FromDigits[Join[Flatten[IntegerDigits[{Fibonacci[n], LucasL[n]}]]]], {n, 0, 50}]
PROG
(Magma) [Seqint(Intseq(Lucas(n)) cat Intseq(Fibonacci(n))): n in [0..50]];
(PARI) a(n)=eval(Str(fibonacci(n), fibonacci(n-1)+fibonacci(n+1))) \\ Charles R Greathouse IV, Sep 14 2014
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Vincenzo Librandi, Sep 14 2014
STATUS
approved