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A031296 Position of n-th 9 in A007376. 12
9, 29, 49, 69, 89, 109, 129, 149, 169, 170, 172, 174, 176, 178, 180, 182, 184, 186, 188, 189, 219, 249, 279, 309, 339, 369, 399, 429, 459, 461, 464, 467, 470, 473, 476, 479, 482, 485, 488, 489, 519, 549, 579, 609, 639, 669, 699 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A007376(a(n)) = 9.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

import Data.List (elemIndices)

a031296 n = a031296_list !! (n-1)

a031296_list = map (+ 1) $ elemIndices 9 a007376_list

-- Reinhard Zumkeller, Jul 28 2011

CROSSREFS

Cf. A193428; A031287, A031288, A031289, A031290, A031291, A031292, A031293, A031294, A031295.

Sequence in context: A032700 A322946 A098949 * A146869 A129397 A136392

Adjacent sequences:  A031293 A031294 A031295 * A031297 A031298 A031299

KEYWORD

nonn,less,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified April 3 20:29 EDT 2020. Contains 333199 sequences. (Running on oeis4.)