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A263089
Least monotonic left inverse for A261089; a(n) = largest k for which A261089(k) <= n.
2
0, 1, 1, 2, 2, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 10, 10, 11, 11, 11, 11, 12, 12, 13, 13, 13, 13, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 17, 17, 17, 17, 18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 22, 22, 22, 22, 23, 23, 24, 24, 24, 24, 25, 25, 26
OFFSET
0,4
LINKS
PROG
(Scheme, with Antti Karttunen's IntSeq-library)
(define A263089 (LEFTINV-LEASTMONO 0 0 A261089))
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 24 2015
STATUS
approved