|
|
A008713
|
|
16 in base 16-n.
|
|
7
|
|
|
10, 11, 12, 13, 14, 15, 16, 17, 20, 22, 24, 31, 100, 121, 10000, 1111111111111111
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
0,1
|
|
REFERENCES
|
J. J. Clessa, Micropuzzles, Pan Books, 1983, p. 31 (puzzle 51).
GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 108 and 300.
|
|
LINKS
|
Albert Franck, Puzzles, see item 4.
|
|
EXAMPLE
|
16 = 121_3, so a(13) = 121.
|
|
PROG
|
(PARI) a(n) = if (n <= 15, fromdigits(digits(16, 16-n), 10), 1111111111111111); \\ Michel Marcus, Aug 06 2017
|
|
CROSSREFS
|
|
|
KEYWORD
|
fini,nonn,base,full,nice
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|