%I #11 May 14 2017 11:47:18
%S 0,1,1,2,2,3,2,3,4,5,4,5,5,6,5,6,5,6,5,6,7,8,6,7,8,9,10,11,10,11,8,9,
%T 10,11,10,11,11,12,11,12,11,12,11,12,14,15,12,13,13,14,14,15,13,14,13,
%U 14,15,16,14,15,15,16,14,15,15,16,15,16,16,17,14,15,15,16,17,18,18,19
%N a(n) = A001222(A001405(n)).
%H G. C. Greubel, <a href="/A048621/b048621.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = A001222(A001405(n)).
%t Table[PrimeOmega[Binomial[n, Floor[n/2]]], {n, 1, 50}] (* _G. C. Greubel_, May 12 2017 *)
%o (PARI) for(n=1,100, print1(bigomega(binomial(n,floor(n/2))), ", ")) \\ _G. C. Greubel_, May 12 2017
%Y Cf. A001222, A001221, A046660, A034973, A034974.
%K nonn
%O 1,4
%A _Labos Elemer_
%E Simpler name using formula by _Joerg Arndt_, May 14 2017
|