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 A031122 Integers that appear as ratios of Fibonacci numbers F(kn)/F(k), but omitting Fibonacci numbers F(n)/F(1) and Lucas numbers F(2n)/F(n). 3
 17, 48, 72, 122, 305, 323, 329, 842, 1292, 1353, 2208, 2255, 5473, 5777, 5796, 15005, 15128, 15456, 23184, 24447, 39602, 98209, 103683, 103729, 104005, 105937, 166408, 271442, 416020, 439128, 709805, 710648, 726103, 1762289 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS T. D. Noe, Table of n, a(n) for n=1..1000 PROG (PARI) a031122(mk, mn, x) = local(v, vv, j, i); v=[]; for(k=3, mk, for(n=3, mn, v=concat(v, [fibonacci(k*n)/fibonacci(k)]))); v=vecsort(v); vv=[v[1]]; for(j=2, matsize(v)[2], if(v[j-1]

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Last modified March 1 20:05 EST 2024. Contains 370443 sequences. (Running on oeis4.)