A237860 - OEIS

%I #18 Mar 15 2014 05:01:57

%S 1,2,9,3,19,6,33,4,10,8,53,7,54,14,18,5,96,11,385,13,34,35,441,12,20,

%T 36,45,15,562,17,592,16,55,40,50,22,1259,59,56,21,2419,23,2744,24,51,

%U 61,2917,25,97,49,100,48,3993,28,77,26,123,71,4389,27,5424,105

%N Inverse permutation to A237851.

%H Lars Blomberg, <a href="/A237860/b237860.txt">Table of n, a(n) for n = 1..10000</a> (first 106 terms from Reinhard Zumkeller; first 1380 terms from Reinhard Zumkeller and Giovanni Resta)

%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>

%o (Haskell)

%o import Data.List (elemIndex); import Data.Maybe (fromJust)

%o a237860 = (+ 1) . fromJust . (`elemIndex` a237851_list)

%Y Cf. A237851.

%K nonn,base

%O 1,2

%A _Reinhard Zumkeller_, Feb 14 2014