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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)
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OFFSET
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1,1
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COMMENTS
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LINKS
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PROG
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(Haskell)
import Data.List (elemIndices)
a031296 n = a031296_list !! (n-1)
a031296_list = map (+ 1) $ elemIndices 9 a007376_list
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CROSSREFS
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KEYWORD
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nonn,less,base
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AUTHOR
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STATUS
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approved
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