A085850 Decimal expansion of hard square entropy constant.

1, 5, 0, 3, 0, 4, 8, 0, 8, 2, 4, 7, 5, 3, 3, 2, 2, 6, 4, 3, 2, 2, 0, 6, 6, 3, 2, 9, 4, 7, 5, 5, 5, 3, 6, 8, 9, 3, 8, 5, 7, 8, 1, 0

Offset

1,2

Links

Table of n, a(n) for n=1..44.

R. J. Baxter, Planar Lattice Gases with Nearest-Neighbour Exclusion, arXiv:cond-mat/9811264 [cond-mat.stat-mech], 1998; Annals of Combinatorics, 3 (1999), pp. 191-203.

S. R. Finch, Several Constants Arising in Statistical Mechanics, Annals Combinat. vol 3 (1999) issue (2-4) pp. 323-335.

Vaclav Kotesovec, Non-attacking chess pieces, 6ed, 2013, p. 69 and 372.

Eric Weisstein's World of Mathematics, Hard Square Entropy Constant.

Example

1.503048082...

Crossrefs

Cf. A006506, A085851, A247413.

Sequence in context: A361980 A355068 A261219 * A176867 A351208 A229175

Adjacent sequences: A085847 A085848 A085849 * A085851 A085852 A085853

Keyword

nonn,nice,cons,more

Author

Eric W. Weisstein, Jul 05 2003

Extensions

More terms from R. J. Mathar, Jul 18 2007

Terms a(19)-a(44) computed R. J. Baxter, 1998

Status

approved