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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: A365966 A258249 A256448 * A120861 A354368 A236542
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 June 18 09:13 EDT 2024. Contains 373472 sequences. (Running on oeis4.)