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 A048933 Smallest factor i of any factorization used in the definition of A014575(n). 7
 21, 15, 35, 30, 21, 27, 80, 201, 260, 210, 204, 150, 135, 158, 152, 161, 167, 141, 201, 231, 281, 152, 231, 204, 251, 201, 261, 140, 179, 311, 323, 315, 317, 231, 351, 215, 146, 350, 351, 317, 156, 300, 251, 261, 356, 240, 269, 165, 176, 396, 221, 231, 371, 231, 225, 201, 225, 281, 216, 210, 210, 327, 395, 275, 252, 255 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES C. A. Pickover, "Vampire Numbers." Ch. 30 in Keys to Infinity. New York: Wiley, pp. 227-231, 1995. LINKS Eric Weisstein's World of Mathematics, Vampire Number. MAPLE # print d, not a, in the program of A014575 R. J. Mathar, Jul 15 2016 CROSSREFS The following sequences are all closely related: A020342, A014575, A080718, A048936, A144563. Cf. A048934, ..., A048939. Sequence in context: A068015 A040422 A214037 * A142590 A291469 A105706 Adjacent sequences:  A048930 A048931 A048932 * A048934 A048935 A048936 KEYWORD nonn,base AUTHOR EXTENSIONS Edited by N. J. A. Sloane, Jan 03 2009 More terms from R. J. Mathar, Jul 15 2016 STATUS approved

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