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 A086355 Fixed point if [nonzero-digit product]-function at initial-value=p[n]=n-th prime is iterated. 0
 2, 3, 5, 7, 1, 3, 7, 9, 6, 8, 3, 2, 4, 2, 6, 5, 2, 6, 8, 7, 2, 8, 8, 4, 8, 1, 3, 7, 9, 3, 4, 3, 2, 4, 8, 5, 5, 8, 8, 2, 8, 8, 9, 4, 8, 8, 2, 2, 6, 8, 8, 2, 8, 1, 7, 8, 8, 4, 4, 6, 6, 2, 2, 3, 9, 2, 9, 8, 6, 8, 2, 5, 2, 8, 4, 4, 2, 4, 4, 8, 8, 8, 2, 8, 8, 6, 6, 4, 8, 4, 6, 2, 6, 8, 8, 5, 2, 1, 3, 2, 4, 5, 9, 4, 5 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n)=A051802[A000040(n)]=fixed-point of A051801[n-th prime] EXAMPLE n=100, p(100)=541, iteration list={541,20,2},a(100)=2. MATHEMATICA prd[x_] := Apply[Times, DeleteCases[IntegerDigits[x], 0]] Table[FixedPoint[prd, Prime[w]], {w, 1, 128}] CROSSREFS Cf. A051801, A051802, A086353-A086361, A029898, A010888, A038194. Sequence in context: A007652 A060418 A199975 * A053666 A101987 A178743 Adjacent sequences:  A086352 A086353 A086354 * A086356 A086357 A086358 KEYWORD base,nonn AUTHOR Labos E. (labos(AT)ana.sote.hu), Jul 21 2003 STATUS approved

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