A300698 Half volumes of concertina hypercubes: a(n) = A300697(n)/2.

0, 1, 4, 26, 236, 2763, 39692, 676372, 13342464

Offset

0,3

Links

Table of n, a(n) for n=0..8.

Crossrefs

Cf. A300697.

Sequence in context: A000311 A244451 A001863 * A244524 A209923 A317339

Adjacent sequences: A300695 A300696 A300697 * A300699 A300700 A300701

Keyword

nonn,more,changed

Author

Tilman Piesk, Mar 11 2018

Extensions

a(7)-a(8) from Ludovic Schwob, Jan 03 2025

Status

approved