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 A110405 A110404(k)/k where k is the corresponding number == 1,3,7 or 9 (mod 10). 1
 1, 1, 1, 1, 1, 24087, 421865715983363, 48378522062732589, 5772, 140535792709705753184, 26936, 320445837687216997561825148, 4235907461713913326816552623, 1, 19929, 24087, 34491254 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,6 COMMENTS a(A002113(n)) = 1, for n>1. LINKS Table of n, a(n) for n=0..16. EXAMPLE The term corresponding to 13 is 24087 =313131/13. MATHEMATICA f[n_] := Block[{k = 1, id = Reverse[ IntegerDigits[n]]}, While[fd = FromDigits[ Flatten[ Table[id, {k}]]]; Mod[fd, n] != 0, k++ ]; fd/n]; lst = Select[ Range[1, 45, 2], Mod[ #, 5] != 0 &]; f /@ lst (* Robert G. Wilson v *) CROSSREFS Cf. A110404. Sequence in context: A084691 A084692 A249843 * A234112 A234165 A321063 Adjacent sequences: A110402 A110403 A110404 * A110406 A110407 A110408 KEYWORD base,easy,nonn AUTHOR Amarnath Murthy, Jul 30 2005 EXTENSIONS More terms from Robert G. Wilson v, Jul 30 2005 STATUS approved

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Last modified February 23 17:43 EST 2024. Contains 370283 sequences. (Running on oeis4.)