A182061 Smallest number with "natural" logarithm n, cf. A061373.

1, 2, 3, 4, 5, 7, 10, 11, 17, 22, 23, 41, 46, 47, 83, 94, 139, 167, 235, 283, 359, 517, 659, 719, 1081, 1319, 1439, 2209, 2878, 2879, 5756, 5758, 8637, 11516, 14395, 20147, 28790, 31669, 48943, 61993, 66217, 103823, 132434, 135313, 238957, 270626, 397303

Offset: 1

Author

Reinhard Zumkeller, Apr 09 2012

Keywords

• nonn

Comments

Corresponding to A061373 like A005520 to A005245; A061373(a(n)) = n and A061373(m) < n for m < a(n).

Links

• Index to sequences related to the complexity of n

Programs

Haskell

import Data.List (elemIndex)
import Data.Maybe (fromJust)
a182061 = (+ 1) . fromJust . (`elemIndex` a061373_list)