%I #12 Oct 14 2022 23:09:09
%S 1,19,1493,293479,109739369,66987982331,60693710471869,
%T 76519827268721103,128138108936443028945,275176672984400058317539,
%U 737345594135016860806925221,2411620538399461719230688945719
%N Bisection of A051846, divided by the term position.
%F a(n) = A051846(2n-1)/(2n-1).
%F a(n) = A221740(2n-1). - _Alexander R. Povolotsky_, Oct 13 2022
%Y Cf. A051846, A221740.
%K easy,base,nonn
%O 1,2
%A _Antti Karttunen_, Dec 13 1999