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 A050122 Numbers of the form Fibonacci(i)*Lucas(j), i <= j. 2
 0, 1, 3, 4, 7, 8, 11, 14, 18, 21, 22, 29, 33, 36, 47, 54, 55, 58, 76, 87, 90, 94, 123, 141, 144, 145, 152, 199, 228, 232, 235, 246, 322, 369, 376, 377, 380, 398, 521, 597, 608, 611, 615, 644, 843, 966, 984, 987, 988, 995, 1042, 1364 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS R. J. Mathar, Table of n, a(n) for n = 1..171 MAPLE isA050122 := proc(n) local i, j, f, l ; if n =0 then true; else for i from 1 do f := A000045(i) ; if f > n then return false; else for j from i do l := A000032(j) ; if f*l = n then return true; elif f*l > n and j> 2 then break; end if; end do: end if; end do: end if; end proc: A050122 := proc(n) option remember; local a; if n = 1 then 0; else for a from procname(n-1)+1 do if isA050122(a) then return a; end if; end do: end if; end proc: seq(A050122(n), n=1..80) ; # R. J. Mathar, Jan 04 2017 CROSSREFS Cf. A000032, A000045. Sequence in context: A133675 A332068 A173467 * A179016 A003657 A003644 Adjacent sequences: A050119 A050120 A050121 * A050123 A050124 A050125 KEYWORD nonn AUTHOR STATUS approved

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Last modified December 4 19:07 EST 2022. Contains 358563 sequences. (Running on oeis4.)