A048157 - OEIS

%I #5 Mar 30 2012 18:56:54

%S 0,1,2,2,4,13,14,4,24,33,44,38,52,77,52,8,136,129,152,146,182,209,184,

%T 172,220,273,234,294,464,329,372,272,484,561,448,402,592,665,494,372,

%U 820,805,860,726,966,897,846,536,980,1065,748

%N a(n)=Sum{T(n,k): k=1,2,...,n}, array T as in A048156.

%K nonn

%O 1,3

%A _Clark Kimberling_