Dominoes: Difference between revisions

Content added Content deleted

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@@ Line 209: / Line 209: @@
     return BigInt(floor(prod(
         [prod(
-            [big"4.0" * cospi(j / (m + 1)) + 4 * cospi((k / (n + 1))) for k in 1:n÷2]
+            [big"4.0" * cospi(j / (m + 1)) + 4 * cospi((k / (n + 1))) for k in 1:(n+1)÷2]
-             ) for j in 1:m÷2]
+             ) for j in 1:(m+1)÷2]
     )))
 end
@@ Line 225: / Line 225: @@
 </lang>{{out}}
 <pre>
-Arrangements ignoring values: 158862606
+Arrangements ignoring values: 2541801700
 Permutations of 28 dominos: 304888344611713860501504000000
-Permuted arrangements ignoring flipping dominos: 48435356964042922005589392359424000000
+Permuted arrangements ignoring flipping dominos: 774965712644240130536285719756800000000
 Possible flip configurations: 268435456
-Possible permuted arrangements with flips: 13001767133165637372142823086764897337344000000
+Possible permuted arrangements with flips: 208028274458021565214007381729204817100800000000
 </pre>