A103955 - OEIS

%I #7 Mar 30 2012 17:34:55

%S 9,27,4,8,32,214375,16,72,25,2197,3136,512,49,30459375,64,144,529,243,

%T 100,21316,1352,100489,648,1024,169,11907,196,1000,36992,6889,392,288,

%U 12967201,899236854961,324,900,117649,3125,10648,2744,841,518436000667

%N a(n) is the least k such that k-n and k are adjacent powerful numbers.

%C Sister sequence of a(n)-n is given by A103954.

%C a(105) > 10^22. - Donovan Johnson, Nov 19 2011

%H Donovan Johnson, <a href="/A103955/b103955.txt">Table of n, a(n) for n = 1..104</a>

%Y Cf. A001694, A103952, A074954, A103954, A023056.

%K nonn

%O 1,1

%A _Max Alekseyev_, Feb 22 2005

%E Offset corrected by _Donovan Johnson_, Nov 19 2011