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A008713
16 in base 16-n.
7
10, 11, 12, 13, 14, 15, 16, 17, 20, 22, 24, 31, 100, 121, 10000, 1111111111111111
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
Sequence in context: A058364 A228915 A162790 * A008712 A124367 A008711
KEYWORD
fini,nonn,base,full,nice
STATUS
approved