A269362 Least monotonic left inverse of A269389.

1, 2, 2, 3, 3, 4, 5, 6, 6, 6, 7, 7, 8, 9, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 18, 18, 19, 20, 21, 21, 21, 22, 22, 22, 23, 24, 25, 26, 27, 27, 27, 28, 29, 30, 30, 31, 32, 32, 32, 32, 33, 33, 34, 35, 36, 37, 38, 39, 40, 41, 41, 42, 43, 44, 44, 45, 45, 45, 46, 46, 47, 48, 49, 50, 51, 52, 53, 53, 54, 54, 55, 56, 57

Offset

1,2

Comments

a(n) = number of terms of A269389 <= n.

Links

Antti Karttunen, Table of n, a(n) for n = 1..10000

Formula

a(n) = A269849(6+n) - 6.

Other identities. For all n >= 1:

a(A269389(n)) = n.

Prog

(Scheme, with Antti Karttunen's IntSeq-library)
(define A269362 (LEFTINV-LEASTMONO 1 1 A269389))

Crossrefs

Cf. A269389, A269849.

Cf. also A270193, A270199.

Sequence in context: A030565 A174231 A072509 * A321695 A197432 A255573

Adjacent sequences: A269359 A269360 A269361 * A269363 A269364 A269365

Keyword

nonn

Author

Antti Karttunen, Mar 16 2016

Status

approved