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A266350 Partial sums of f(n) = A192490(2n+1); least monotonic left inverse of A266409. 4
1, 2, 3, 3, 4, 5, 5, 6, 6, 6, 7, 8, 8, 9, 9, 9, 9, 10, 10, 11, 12, 12, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 21, 21, 21, 22, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 25, 26, 26, 26, 27, 27, 28, 28, 28, 28, 28, 28, 29, 29, 29, 30, 30, 30, 30, 31, 31, 32, 32 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10011

FORMULA

a(1) = 1; for n > 1, a(n) = a(n-1) + A192490(2n + 1).

Other identities. For all n >= 1:

a(A266409(n)) = n.

PROG

(Scheme, two versions)

(definec (A266350 n) (if (<= n 1) n (+ (A266350 (- n 1)) (A192490 (+ n n 1)))))

(define A266350 (LEFTINV-LEASTMONO 1 1 A266409))

CROSSREFS

Cf. A192490, A266409.

Cf. also permutations A266417, A266637.

Sequence in context: A080595 A302779 A296020 * A123579 A166493 A005185

Adjacent sequences:  A266347 A266348 A266349 * A266351 A266352 A266353

KEYWORD

nonn

AUTHOR

Antti Karttunen, Jan 28 2016

STATUS

approved

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Last modified August 11 07:36 EDT 2022. Contains 356055 sequences. (Running on oeis4.)