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A264647 Smallest number m such that A263856(m) = n. 2
1, 2, 6, 4, 10, 8, 79, 199, 9, 108, 11, 29, 17, 15, 40, 80, 20, 59, 306, 22, 169, 38, 27, 82, 287, 41, 49, 209, 47, 135, 31, 36, 127, 112, 123, 162, 46, 89, 63, 54, 581, 43, 56, 770, 67, 48, 134, 52, 142, 69, 58, 101, 382, 466, 75, 64, 273, 95, 117, 126, 72 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A263856(a(n)) = n and A263856(m) != n for m < a(n).

a(6949) > 22700000 if it exists. - Chai Wah Wu, Feb 01 2016

LINKS

Reinhard Zumkeller and Chai Wah Wu, Table of n, a(n) for n = 1..6948 n = 1..391 from Reinhard Zumkeller

PROG

(Haskell)

import Data.List (elemIndex); import Data.Maybe (fromJust)

a264647 = (+ 1) . fromJust . (`elemIndex` a263856_list)

CROSSREFS

Cf. A263856.

Sequence in context: A066678 A113571 A119018 * A094748 A245579 A245788

Adjacent sequences:  A264644 A264645 A264646 * A264648 A264649 A264650

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Nov 19 2015

STATUS

approved

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Last modified February 21 15:58 EST 2018. Contains 299414 sequences. (Running on oeis4.)