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 A226726 Numbers n such that the product of its decimal digits (A007954) is between n/2-1 and n/2+1. 0
 1, 19, 27, 36, 289, 379 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS There are no more terms in this sequence. - Charles R Greathouse IV, Jun 15 2013 LINKS MATHEMATICA j[lis_] := Product[lis[[i]], {i, 1, Length[lis]}]; jj[n_] := j[RealDigits[n][[1]]]; Table[If[n/2 - 1 < j[RealDigits[n][[1]]] < n/2 + 1, n], {n, 1, 1000000}] // Union PROG (PARI) is(n)=my(d=digits(n)); abs(prod(i=1, #d, d[i])-n/2)<=1 select(is, vector(400, i, i))  \\ Charles R Greathouse IV, Jun 15 2013 CROSSREFS Cf. A007954 Sequence in context: A152013 A160036 A032701 * A006626 A259054 A029510 Adjacent sequences:  A226723 A226724 A226725 * A226727 A226728 A226729 KEYWORD nonn,fini,full,base AUTHOR José María Grau Ribas, Jun 15 2013 STATUS approved

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Last modified October 22 19:53 EDT 2019. Contains 328319 sequences. (Running on oeis4.)