A051847 Bisection of A051846, divided by the term position.

1, 19, 1493, 293479, 109739369, 66987982331, 60693710471869, 76519827268721103, 128138108936443028945, 275176672984400058317539, 737345594135016860806925221, 2411620538399461719230688945719

Offset

1,2

Links

Table of n, a(n) for n=1..12.

Formula

a(n) = A051846(2n-1)/(2n-1).

a(n) = A221740(2n-1). - Alexander R. Povolotsky, Oct 13 2022

Crossrefs

Cf. A051846, A221740.

Sequence in context: A357230 A237429 A177611 * A217830 A002115 A223498

Adjacent sequences: A051844 A051845 A051846 * A051848 A051849 A051850

Keyword

easy,base,nonn

Author

Antti Karttunen, Dec 13 1999

Status

approved