A354405 Number of fixed pseudo-polytans with n cells.

4, 47, 684, 11010, 187732, 3322341, 60343376, 1117211474, 20990977016

Offset

1,1

Links

Table of n, a(n) for n=1..9.

Formula

a(n) = 4*A354403(n) if n is odd. - Pontus von Brömssen, Nov 26 2025

Crossrefs

Cf. A006074, A353978, A354380 (free), A354403 (one-sided).

Sequence in context: A278267 A388420 A309329 * A326434 A319833 A006438

Adjacent sequences: A354402 A354403 A354404 * A354406 A354407 A354408

Keyword

nonn,hard,more

Author

Aaron N. Siegel, May 25 2022

Status

approved