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 A056756 Where n-th prime appears in Euclid-Mullin sequence A000945. 9
 1, 2, 7, 3, 12, 5, 13, 36, 25, 33, 50, 18 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS MATHEMATICA f[1]=2; f[n_] := f[n] = FactorInteger[Product[f[i], {i, 1, n - 1}] + 1][[1, 1]] ems = Table[f[n], {n, 1, 43}]; Do[Print[Position[ems, Prime[n]][[1, 1]]], {n, 1, 25}] CROSSREFS Cf. A000945. Sequence in context: A353408 A258249 A256448 * A120861 A354368 A236542 Adjacent sequences: A056753 A056754 A056755 * A056757 A056758 A056759 KEYWORD nonn,hard,more AUTHOR Robert G. Wilson v, Aug 15 2000 EXTENSIONS Gaps that need filling: 1, 2, 7, 3, 12, 5, 13, 36, 25, 33, 50, 18, ?, 4, ?, 6, ?, 42, ?, 22, ?, ?, ?, 35, 26 Two more terms from Sean A. Irvine, Sep 20 2012 STATUS approved

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Last modified November 29 06:00 EST 2022. Contains 358422 sequences. (Running on oeis4.)