OFFSET
1,2
LINKS
V. Kotesovec, Non-attacking chess pieces, 6ed, 2013, p. 69.
Eric Weisstein's World of Mathematics, Hard Hexagon Entropy Constant
EXAMPLE
1.395485972...
MATHEMATICA
RealDigits[N[Root[-32751691810479015985152 + 97143135277377575190528*#1^4 - 73347491183630103871488*#1^6 - 71220809441400405884928*#1^8 + 107155448150443388043264*#1^10 - 72405670285649161617408*#1^12 + 2958015038376958230528*#1^14 + 7449488310131083100160*#1^16 + 797726698866658379776*#1^18 + 2505062311720673792* #1^20 + 2013290651222784*#1^22 + 25937424601*#1^24 & , 2], 200]][[1]] (* Vaclav Kotesovec, Apr 03 2014 *)
CROSSREFS
KEYWORD
AUTHOR
Eric W. Weisstein, Jul 05 2003
STATUS
approved