A027257 - OEIS

%I #9 Oct 27 2019 11:35:35

%S 1,2,8,58,462,3782,31436,264134,2237640,19079574,163538472,1407813438,

%T 12163015662,105407889930,915913267652,7976914859210,69613332125342,

%U 608590829593638,5329041851925256,46729591602635246,410291878420535354,3606612469259086834

%N a(n) = self-convolution of row n of array T given by A025177.

%Y Cf. A025177.

%K nonn

%O 0,2

%A _Clark Kimberling_

%E a(1) corrected and more terms from _Sean A. Irvine_, Oct 26 2019