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 A031291 Position of n-th 4 in A007376. 12
 4, 19, 39, 59, 70, 72, 74, 76, 78, 79, 80, 82, 84, 86, 88, 99, 119, 139, 159, 179, 204, 234, 264, 294, 311, 314, 317, 320, 323, 324, 326, 329, 332, 335, 338, 354, 384, 414, 444, 474, 504, 534, 564, 594, 611, 614, 617, 620, 623, 624 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A007376(a(n)) = 4. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 PROG (Haskell) import Data.List (elemIndices) a031291 n = a031291_list !! (n-1) a031291_list = map (+ 1) \$ elemIndices 4 a007376_list -- Reinhard Zumkeller, Jul 28 2011 CROSSREFS Cf. A193428; A031287, A031288, A031289, A031290, A031292, A031293, A031294, A031295, A031296. Sequence in context: A282506 A003338 A047715 * A210374 A283394 A134538 Adjacent sequences:  A031288 A031289 A031290 * A031292 A031293 A031294 KEYWORD nonn,less,base AUTHOR STATUS approved

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