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A031293
Position of n-th 6 in A007376.
12
6, 23, 43, 63, 83, 103, 110, 112, 114, 116, 118, 120, 122, 123, 124, 126, 128, 143, 163, 183, 210, 240, 270, 300, 330, 360, 371, 374, 377, 380, 383, 386, 389, 390, 392, 395, 398, 420, 450, 480, 510, 540, 570, 600, 630, 660, 671
OFFSET
1,1
COMMENTS
A007376(a(n)) = 6.
LINKS
PROG
(Haskell)
import Data.List (elemIndices)
a031293 n = a031293_list !! (n-1)
a031293_list = map (+ 1) $ elemIndices 6 a007376_list
-- Reinhard Zumkeller, Jul 28 2011
KEYWORD
nonn,less,base
STATUS
approved