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A247468 Smallest number m such that A247462(m) = n. 3
1, 5, 164, 501, 7364, 29121, 515504, 2445693 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A247462(a(n)) = n and A247462(m) < n for m < a(n).

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

.  n |    a(n) |                  A058977 trajectory

. ---+---------+---------------------------------------------------------

.  2 |       5 | 1/a(2)-5/2-7

.  3 |     164 | 1/a(3)-19/3-13/2-4

.  4 |     501 | 1/a(4)-253/2-25/3-9/2-11

.  5 |    7364 | 1/a(5)-499/3-253/2-25/3-9/2-11

.  6 |   29121 | 1/a(6)-14563/2-979/3-493/2-19/3-13/2-4

.  7 |  515504 | 1/a(6)-34375/3-17191/2-535/3-271/2-23/3-15/2-17

.  8 | 2445693 | 1/a(8)-1222849/2-58241/3-14563/2-979/3-493/2-19/3-13/2-4

PROG

(Haskell)

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

a247468 = (+ 1) . fromJust . (`elemIndex` a247462_list)

CROSSREFS

Cf. A247462, A058977.

Sequence in context: A195951 A128068 A197095 * A304056 A305450 A304702

Adjacent sequences:  A247465 A247466 A247467 * A247469 A247470 A247471

KEYWORD

nonn,more

AUTHOR

Reinhard Zumkeller, Sep 17 2014

STATUS

approved

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Last modified June 25 17:47 EDT 2019. Contains 324353 sequences. (Running on oeis4.)