%I #10 May 02 2024 09:49:02
%S 1,3,27,266,2743,29068,313633,3427358,37810605,420193609,4696967294,
%T 52753182426,594829939672,6729488070844,76349568744149,
%U 868359048628146,9897485221142239,113024337104850132,1292850211089736299,14810711124377556034,169898355365054443380
%N T(4n,n), where T is the array in A026268.
%Y Cf. A026268.
%K nonn
%O 0,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Sep 24 2019