Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #8 Mar 11 2014 01:32:30
%S 2,4,7,9,11,13,16,19,23,25,27,29,31,45,47,49,53,61,64,67,71,73,81,83,
%T 93,97,101,103,107,109,113,119,121,125,127,131,139,145,149,151,161,
%U 163,167,169,173,181,187,191,193,197,199,205,215,221,223,227,229,233,241,243
%N a(1)=2. For n >= 2, a(n) = smallest integer > a(n-1) such that omega(a(n)) = omega(a(n)-a(n-1)), where omega(m) = A001221(m).
%C For n >=2, a(n)-a(n-1) = A160821(n).
%H H. v. Eitzen, <a href="/A160822/b160822.txt">Table of n, a(n) for n=1,...,10000</a>
%Y Cf. A001221, A160820, A160821.
%K nonn
%O 1,1
%A _Leroy Quet_, May 27 2009
%E Extended by _Ray Chandler_, Jun 15 2009