A050177 - OEIS

%I #4 Mar 30 2012 18:57:01

%S 1,1,1,1,3,1,1,4,4,1,1,5,9,5,1,1,6,14,14,6,1,1,7,20,28,20,7,1,1,8,27,

%T 48,48,27,8,1,1,9,35,75,90,75,35,9,1,1,10,44,110,165,165,110,44,10,1,

%U 1,11,54,154,275,297,275,154,54,11,1,1,12,65,208,429,572,572

%N T(n,k)=M0(n,k,f(n,k)), where M0 is given by A050176 and f(n,k) is the next-to-least t for which M0(n,k,t) is not 0.

%C f(n,k)=0 if 1<=k<=[ (n-1)/2 ], else f(n,k)=2k-n+1.

%e Rows: {1}; {1,1}; {1,3,1}; {1,4,4,1}; ... (all palindromes)

%K nonn,tabl

%O 3,5

%A _Clark Kimberling_