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 A113191 Difference of two Lucas numbers. 4
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 22, 25, 26, 27, 28, 29, 36, 40, 43, 44, 45, 46, 47, 58, 65, 69, 72, 73, 74, 75, 76, 94, 105, 112, 116, 119, 120, 121, 122, 123, 152, 170, 181, 188, 192, 195, 196, 197, 198, 199, 246, 275, 293, 304 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Also the sum of consecutive Lucas numbers because the difference L(i) - L(j) equals the sum L(j+1) + ... + L(i+2). LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 MATHEMATICA Lucas[n_] := Fibonacci[n+1]+Fibonacci[n-1]; Union[Flatten[Table[Lucas[n]-Lucas[i], {n, 13}, {i, 0, n-2}]]] CROSSREFS Cf. A000032 (Lucas numbers), A007298 (difference of two Fibonacci numbers). Cf. A221471, A221472 (square root of squares in this sequence). Sequence in context: A130574 A023780 A035064 * A191923 A191922 A252494 Adjacent sequences:  A113188 A113189 A113190 * A113192 A113193 A113194 KEYWORD nonn AUTHOR T. D. Noe, Oct 17 2005 STATUS approved

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Last modified August 7 22:44 EDT 2020. Contains 336279 sequences. (Running on oeis4.)