The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
%I #9 Oct 25 2019 04:57:56
%S 1,8,52,247,1416,6056,33731,139016,770116,3121259,17335095,69642995,
%T 388958218,1554558921,8740670953,34818606079,197136480944,
%U 783522002716,4466326137854,17722654061673,101674164224552,402960855102206,2325563749837462,9208279020729297,53433859702165884
%N a(n) = Sum_{k=0..n-2} T(n,k) * T(n,k+2), with T given by A026747.
%K nonn
%O 2,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 24 2019