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 A096687 Least k such that decimal representation of k*n contains only digits 0 and 8. 3
 8, 4, 296, 2, 16, 148, 1144, 1, 98765432, 8, 8, 74, 616, 572, 592, 5, 5224, 49382716, 4632, 4, 3848, 4, 38296, 37, 32, 308, 326255144, 286, 303752, 296, 28648, 25, 26936, 2612, 2288, 24691358, 24, 2316, 2072, 2, 2168, 1924, 204856, 2, 197530864, 19148 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Chai Wah Wu, Table of n, a(n) for n = 1..9998 FORMULA a(n) = A078247(n)/n. PROG (Python) def A096687(n): ....if n > 0: ........for i in range(1, 2**n): ............q, r = divmod(8*int(bin(i)[2:]), n) ............if not r: ................return q ....return 1 # Chai Wah Wu, Jan 02 2015 CROSSREFS Cf. A004290, A078241-A078248, A079339, A096681-A096688. Sequence in context: A038282 A268482 A231234 * A326955 A199374 A289538 Adjacent sequences:  A096684 A096685 A096686 * A096688 A096689 A096690 KEYWORD base,nonn AUTHOR Ray Chandler, Jul 12 2004 STATUS approved

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Last modified January 16 13:35 EST 2022. Contains 350376 sequences. (Running on oeis4.)