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%I #7 May 11 2021 21:31:43
%S 1,2,5,16,53,179,637,2302,8481,31553,118050,445260,1688727,6438285,
%T 24645509,94629373,364407934,1406835343,5443691793,21106577597,
%U 81977147966,318895294012,1242270865697,4845566251183,18922717069433,73975062360180,289475083120883
%N T(n,n-1), array T as in A047060.
%K nonn
%O 1,2
%A _Clark Kimberling_
%E Data corrected by _Sean A. Irvine_, May 11 2021