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 A076219 Smallest positive integer m such that m! begins with n in base 10. 7
 1, 2, 9, 8, 7, 3, 6, 14, 96, 27, 22, 5, 15, 42, 25, 89, 69, 76, 63, 16, 87, 113, 54, 4, 23, 30, 205, 85, 34, 28, 62, 164, 41, 245, 17, 9, 36, 128, 11, 8, 185, 53, 351, 73, 369, 118, 12, 265, 129, 7, 21, 38, 235, 66, 46, 258, 81, 597, 279, 43, 72, 13, 559, 18, 203, 120, 311 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS EXAMPLE We have a(5) = 7 since 7! = 5040 and no smaller factorial number begins with 5 in base 10. CROSSREFS Apart from leading term, identical to A018799. Sequence in context: A192599 A021081 A018799 * A077601 A090930 A258412 Adjacent sequences:  A076216 A076217 A076218 * A076220 A076221 A076222 KEYWORD nonn,base AUTHOR Lekraj Beedassy, Nov 04 2002 EXTENSIONS More terms from Lambert Klasen (lambert.klasen(AT)gmx.de), Jan 13 2005 STATUS approved

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Last modified October 13 20:38 EDT 2019. Contains 327981 sequences. (Running on oeis4.)