A031296 Position of n-th 9 in A007376.

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

Offset: 1

Author

Clark Kimberling

Keywords

• nonn
• less
• base

Comments

A007376(a(n)) = 9.

Links

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

Crossrefs

Cf. A007376.

Cf. A193428; A031287, A031288, A031289, A031290, A031291, A031292, A031293, A031294, A031295.

Programs

Haskell

import Data.List (elemIndices)
a031296 n = a031296_list !! (n-1)
a031296_list = map (+ 1) $ elemIndices 9 a007376_list
-- Reinhard Zumkeller, Jul 28 2011