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A031288 Position of n-th 1 in A007376. 12
1, 10, 12, 13, 14, 16, 18, 20, 22, 24, 26, 28, 33, 53, 73, 93, 113, 133, 153, 173, 190, 193, 195, 196, 199, 202, 205, 208, 211, 214, 217, 220, 221, 223, 224, 225, 226, 227, 229, 230, 232, 233, 235, 236, 238, 239, 241, 242, 244, 245 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A007376(a(n)) = 1;

a(n) = Min{A031287(n), A031288(n), A031289(n), A031290(n), A031291(n), A031292(n), A031293(n), A031294(n), A031295(n), A031296(n)}. [Reinhard Zumkeller, Jul 28 2011]

LINKS

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

PROG

(Haskell)

import Data.List (elemIndices)

a031288 n = a031288_list !! (n-1)

a031288_list = map (+ 1) $ elemIndices 1 a007376_list

-- Reinhard Zumkeller, Jul 28 2011

CROSSREFS

Cf. A193428.

Sequence in context: A261925 A083476 A124404 * A127957 A079026 A219956

Adjacent sequences:  A031285 A031286 A031287 * A031289 A031290 A031291

KEYWORD

nonn,less,base

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified September 19 04:52 EDT 2019. Contains 327187 sequences. (Running on oeis4.)