A391392 Site percolation series for hexagonal lattice: coefficients of the power series expansion in powers of q=1-p of the probability that a given site (not assumed to be open) belongs to the infinite cluster, where p is the probability that a site is open.

1, -1, 0, -1, -2, -3, -22, -8, -324, 157, -4159, 8988, -58973, 159656

Offset

0,5

Links

Table of n, a(n) for n=0..13.

Formula

a(n) = A391393(n)-A391393(n-1) for n >= 1.

Crossrefs

Cf. A391388, A391390, A391393.

Sequence in context: A068190 A084796 A084797 * A163902 A154865 A032810

Adjacent sequences: A391389 A391390 A391391 * A391393 A391394 A391395

Keyword

sign,more

Author

Pontus von Brömssen, Dec 10 2025

Status

approved