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 A032699 Exactly 3 digits from {1,2,3,4,5,6,7,8,9} can precede a(n) to form a lucky number. 0
 1, 5, 7, 11, 15, 21, 23, 33, 37, 39, 51, 59, 61, 67, 73, 77, 79, 89, 91, 95, 97, 107, 111, 115, 121, 127, 139, 151, 163, 175, 179, 183, 191, 195, 223, 229, 231, 235, 237, 251, 257, 263, 277, 283, 285, 299, 301, 325, 331, 335, 355, 363, 365, 377, 395, 399, 403 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE If n = 111 then we find only '3'111, '6'111 and '7'111 to be lucky numbers. CROSSREFS Cf. A000959. Sequence in context: A039001 A023741 A096819 * A073088 A054059 A072058 Adjacent sequences: A032696 A032697 A032698 * A032700 A032701 A032702 KEYWORD nonn,base,less AUTHOR Patrick De Geest, May 15 1998 STATUS approved

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Last modified March 30 14:20 EDT 2023. Contains 361622 sequences. (Running on oeis4.)