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A268680 Least monotonic left inverse of A268678. 4
0, 1, 1, 2, 3, 4, 4, 5, 6, 6, 6, 7, 7, 7, 7, 8, 9, 9, 10, 11, 12, 12, 13, 14, 14, 14, 15, 16, 16, 16, 16, 17, 18, 18, 19, 19, 20, 21, 21, 21, 22, 23, 24, 24, 24, 24, 24, 25, 26, 26, 27, 27, 28, 29, 29, 29, 30, 31, 31, 32, 33, 33, 33, 33, 34, 35, 36, 36, 36, 37, 38, 38, 39, 39, 40, 41, 41, 41, 41, 41, 41, 42, 43, 44 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,4
COMMENTS
a(n) = number of distinct nonzero values A268395 that occur in range [0 .. n].
Each n occurs A268679(n+1) times.
LINKS
FORMULA
Other identities. For all n >= 0:
a(A268678(n)) = n.
PROG
(Scheme, with Antti Karttunen's IntSeq-library)
(define A268680 (LEFTINV-LEASTMONO 0 0 A268678))
CROSSREFS
Cf. also A268711.
Sequence in context: A147847 A370386 A335572 * A126974 A354459 A089058
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 11 2016
STATUS
approved

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Last modified March 29 06:34 EDT 2024. Contains 371265 sequences. (Running on oeis4.)