A366999 a(n) is the denominator of the maximum expected number of steps of a random walk on the square lattice until it lands on a mined lattice point, given that mines are placed on all but n points.

1, 1, 3, 7, 13, 3, 41, 37, 67, 2, 274, 103487, 71, 607

Offset

0,3

Links

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

Crossrefs

Cf. A366998 (numerators), A369369 (hexagonal lattice), A369371 (triangular lattice).

Sequence in context: A108154 A346154 A010260 * A258136 A209387 A128156

Adjacent sequences: A366996 A366997 A366998 * A367000 A367001 A367002

Keyword

nonn,frac,more

Author

Pontus von Brömssen, Nov 01 2023

Status

approved