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 A062016 Numbers with all odd digits which can be factored into two numbers > 1 with odd digits. 2
 9, 15, 33, 35, 39, 51, 55, 57, 75, 77, 91, 93, 95, 99, 111, 117, 119, 133, 135, 153, 155, 159, 171, 175, 177, 195, 315, 333, 339, 351, 355, 357, 371, 375, 393, 395, 399, 511, 513, 519, 531, 537, 539, 553, 555, 573, 575, 579, 591, 595, 597, 711, 715, 755, 775, 777, 791, 795, 917, 931, 933, 935, 939, 951, 955, 957, 959, 973, 975 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Matthew House, Table of n, a(n) for n = 1..10000 EXAMPLE 95 = 19*5 is OK but 115 = 23*5 and 17*5 = 85 are not. MAPLE dmax:= 4: # to get all terms of up to dmax digits S[1]:= [1, 3, 5, 7, 9]: for d from 2 to dmax do S[d]:= map(t -> seq(10*t+j, j=1..9, 2), S[d-1]) od: T:= {seq(op(S[i]), i=1..dmax)} minus {1}: R:= T intersect {seq(seq(T[i]*T[j], j=1..i), i=1..nops(T))}: sort(convert(R, list)); # Robert Israel, Nov 22 2016 CROSSREFS Sequence in context: A103508 A051246 A320062 * A108637 A091296 A107076 Adjacent sequences: A062013 A062014 A062015 * A062017 A062018 A062019 KEYWORD nonn,base,easy AUTHOR Amarnath Murthy, Jun 01 2001 EXTENSIONS More terms from Matthew Conroy, Jun 11 2001 Offset corrected by and more terms from Matthew House, Nov 22 2016 STATUS approved

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Last modified September 22 05:50 EDT 2023. Contains 365519 sequences. (Running on oeis4.)