OFFSET
1,1
COMMENTS
"Not in sequence A_n" means not in the full list of terms, not simply in the list of terms visible in the entry.
The paradox is of course: is 53169 in this sequence?
REFERENCES
Smullyan, Raymond M, What is the name of this book? : The riddle of Dracula and other logical puzzles, Englewood Cliffs, NJ : Prentice-Hall, c1978, see puzzle 163.
LINKS
EXAMPLE
CROSSREFS
KEYWORD
nonn,nice
AUTHOR
Miklos Szabo (mike(AT)ludens.elte.hu), N. J. A. Sloane, Feb 29 2000
EXTENSIONS
Thanks to Alexander Hulpke for the information that 19 is in A000019.
Extended to n=100 by N. J. A. Sloane, May 26 2007
STATUS
approved