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A031292 Position of n-th 5 in A007376. 12
5, 21, 41, 61, 81, 90, 92, 94, 96, 98, 100, 101, 102, 104, 106, 108, 121, 141, 161, 181, 207, 237, 267, 297, 327, 341, 344, 347, 350, 353, 356, 357, 359, 362, 365, 368, 387, 417, 447, 477, 507, 537, 567, 597, 627, 641, 644, 647 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A007376(a(n)) = 5.

LINKS

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

PROG

(Haskell)

import Data.List (elemIndices)

a031292 n = a031292_list !! (n-1)

a031292_list = map (+ 1) $ elemIndices 5 a007376_list

-- Reinhard Zumkeller, Jul 28 2011

CROSSREFS

Cf. A193428; A031287, A031288, A031289, A031290, A031291, A031293, A031294, A031295, A031296.

Sequence in context: A147345 A146022 A054286 * A147331 A078371 A265056

Adjacent sequences:  A031289 A031290 A031291 * A031293 A031294 A031295

KEYWORD

nonn,less,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified July 12 13:27 EDT 2020. Contains 335663 sequences. (Running on oeis4.)