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A085851 Decimal expansion of hard hexagon entropy constant. 3
1, 3, 9, 5, 4, 8, 5, 9, 7, 2, 4, 7, 9, 3, 0, 2, 7, 3, 5, 2, 2, 9, 5, 0, 0, 6, 6, 3, 5, 6, 6, 8, 8, 8, 0, 6, 8, 9, 5, 4, 1, 0, 3, 7, 2, 8, 1, 4, 4, 6, 6, 1, 1, 9, 0, 8, 1, 7, 4, 7, 2, 1, 5, 6, 1, 3, 5, 7, 6, 0, 8, 8, 0, 3, 5, 8, 6, 9, 7, 7, 7, 4, 6, 8, 9, 8, 3, 7, 8, 7, 3, 0, 8, 5, 2, 7, 5, 4, 2, 7, 9, 0 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..102.

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

Cf. A085850, A247413, A066864.

Sequence in context: A282529 A070341 A245719 * A212321 A306552 A092041

Adjacent sequences:  A085848 A085849 A085850 * A085852 A085853 A085854

KEYWORD

nonn,nice,cons

AUTHOR

Eric W. Weisstein, Jul 05 2003

STATUS

approved

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Last modified July 21 19:13 EDT 2019. Contains 325199 sequences. (Running on oeis4.)