OFFSET
1,1
REFERENCES
C. A. Pickover, "Vampire Numbers." Ch. 30 in Keys to Infinity. New York: Wiley, pp. 227-231, 1995.
LINKS
R. J. Mathar, Table of n, a(n) for n = 1..78
Eric Weisstein's World of Mathematics, Vampire Number.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
EXTENSIONS
Edited by N. J. A. Sloane, Jan 03 2009
Terms a(25) and beyond from b-file by Andrew Howroyd, Feb 05 2018
STATUS
approved