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 A247337 Lucas(n) concatenated with Fibonacci(n). 2
 20, 11, 31, 42, 73, 115, 188, 2913, 4721, 7634, 12355, 19989, 322144, 521233, 843377, 1364610, 2207987, 35711597, 57782584, 93494181, 151276765, 2447610946, 3960317711, 6407928657, 10368246368, 16776175025, 271443121393, 439204196418, 710647317811, 1149851514229 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..1000 MATHEMATICA Table[FromDigits[Join[Flatten[IntegerDigits[{LucasL[n], Fibonacci[n]}]]]], {n, 0, 50}] PROG (MAGMA) [20] cat [Seqint(Intseq(Fibonacci(n)) cat Intseq(Lucas(n))): n in [1..50]]; CROSSREFS Cf. A000032, A000045, A235497, A246972, A246973. Sequence in context: A040383 A058282 A298208 * A071160 A071153 A209644 Adjacent sequences:  A247334 A247335 A247336 * A247338 A247339 A247340 KEYWORD nonn,easy,base AUTHOR Vincenzo Librandi, Sep 14 2014 STATUS approved

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Last modified July 17 16:58 EDT 2019. Contains 325107 sequences. (Running on oeis4.)