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 A050118 Numbers that are the product of two Lucas numbers. 2
 1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 28, 29, 33, 36, 44, 47, 49, 54, 58, 72, 76, 77, 87, 94, 116, 121, 123, 126, 141, 152, 188, 198, 199, 203, 228, 246, 304, 319, 322, 324, 329, 369, 398, 492, 517, 521, 522, 532, 597 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE lucas:= t -> combinat:-fibonacci(t+1) + combinat:-fibonacci(t-1): sort(convert(select(`<`, {seq(seq(lucas(i)*lucas(j), i=j..30), j=0..30)}, lucas(31)), list)); # Robert Israel, May 11 2016 MATHEMATICA Take[Union[Flatten[Table[LucasL[i]*LucasL[j], {i, 0, 200}, {j, 1, 200}]]], 100] (* Clark Kimberling, May 11 2016 *) CROSSREFS Cf. A000032. Sequence in context: A004144 A124391 A200381 * A081754 A336654 A004436 Adjacent sequences:  A050115 A050116 A050117 * A050119 A050120 A050121 KEYWORD nonn AUTHOR STATUS approved

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Last modified August 10 04:27 EDT 2022. Contains 356029 sequences. (Running on oeis4.)