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%I #7 Oct 21 2019 16:50:08
%S 1,53,634,4201,20120,78753,269829,844702,2486178,7017354,19260116,
%T 51903794,138254821,365619439,962704734,2528441803,6631057180,
%U 17376467099,45514392201,119188310928,312079208726,817086876180,2139230058328,5600665608772,14662845807193
%N a(n) = A026998(2n+1, n+4).
%K nonn
%O 3,2
%A _Clark Kimberling_
%E More terms from _Sean A. Irvine_, Oct 21 2019