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A263328
Permutation of {0, ..., 1023} corresponding to lexicographic ordering of numbers with decreasing digits (A009995). Inverse of A263327.
6
0, 1, 2, 11, 3, 12, 13, 56, 4, 14, 15, 57, 16, 58, 59, 176, 5, 17, 18, 60, 19, 61, 62, 177, 20, 63, 64, 178, 65, 179, 180, 386, 6, 21, 22, 66, 23, 67, 68, 181, 24, 69, 70, 182, 71, 183, 184, 387, 25, 72, 73, 185, 74, 186, 187, 388, 75, 188, 189, 389, 190
OFFSET
0,3
COMMENTS
For n = 1..1023: A009995(a(n)) = A262557(n).
The fixed points and cycles of this permutation (up to reversal the same as for its inverse A263327) are listed in A263355. - M. F. Hasler, Dec 11 2019
LINKS
PROG
(Haskell)
a263328 0 = 0
a263328 n = head [x | x <- [1..1023], a009995' x == a262557 n]
(PARI) A263328=vecsort(A263327, , 1) \\ Does not include a(0)=0. - M. F. Hasler, Dec 11 2019
CROSSREFS
Cf. A009995, A262557, A263327 (inverse), A263329 (fixed points).
Sequence in context: A134242 A087712 A180702 * A081926 A242614 A069800
KEYWORD
nonn,fini,full
AUTHOR
Reinhard Zumkeller, Oct 15 2015
STATUS
approved