A241218 Smallest number m such that A240808(m) = n.

2, 1, 0, 5, 10, 9, 14, 19, 15, 20, 28, 24, 23, 34, 27, 41, 37, 33, 44, 40, 36, 47, 61, 45, 53, 67, 48, 56, 70, 54, 62, 73, 57, 68, 94, 78, 71, 97, 81, 74, 100, 87, 77, 106, 90, 80, 109, 93, 86, 115, 96, 89, 121, 99, 146, 124, 105, 152, 127, 108, 155, 130

Offset: 0

Author

Reinhard Zumkeller, Apr 17 2014

Keywords

• nonn

Comments

A240808(a(n)) = n and A240808(m) <> n for m < a(n).

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 0..20000

Crossrefs

Cf. A120511.

Programs

Haskell

import Data.List (elemIndex); import Data.Maybe (fromJust)
a241218 = fromJust . (`elemIndex` a240808_list)