%I #6 Nov 23 2021 09:02:23
%S 1,1,8,128,3522,152166,9493504,806453248,89434106370,12547916380814,
%T 2173051605252096,455304058354270208,113519427904851374434
%N Main diagonal of A349271.
%Y Cf. A349271.
%K nonn,more
%O 1,3
%A _Peter Luschny_, Nov 23 2021