Pell numbers: Difference between revisions

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 <pre style="height:40ex;overflow:scroll;">
 First 10 Pell numbers: 0 1 2 5 12 29 70 169 408 985
-First 10 Pell-Lucas numbers: 2 2 6 14 34 82 198 478 1154 2786
+First 10 Pell-Lucas numbers: 2 2 6 14 34 82 198 478 1154 2786
-First 10 rational approximations of sqrt(2) (1.414213):
+First 10 rational approximations of sqrt(2) (1.414214):
 /1 ~= 1.000000
 /2 ~= 1.500000
 /5 ~= 1.400000
-/12 ~= 1.416666
+/12 ~= 1.416667
 /29 ~= 1.413793
-/70 ~= 1.414285
+/70 ~= 1.414286
 /169 ~= 1.414201
-/408 ~= 1.414215
+/408 ~= 1.414216
 /985 ~= 1.414213
@@ Line 346: / Line 346: @@
 First 10 near isosceles right triangles:
- [2, 3, 5]
+ [3, 4, 5]
- [12, 13, 29]
+ [20, 21, 29]
- [70, 71, 169]
+ [119, 120, 169]
- [408, 409, 985]
+ [696, 697, 985]
- [2378, 2379, 5741]
+ [4059, 4060, 5741]
- [13860, 13861, 33461]
+ [23660, 23661, 33461]
- [80782, 80783, 195025]
+ [137903, 137904, 195025]
- [470832, 470833, 1136689]
+ [803760, 803761, 1136689]
- [2744210, 2744211, 6625109]
+ [4684659, 4684660, 6625109]
- [15994428, 15994429, 38613965]
+ [27304196, 27304197, 38613965]
 </pre>