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A005807
Sum of adjacent Catalan numbers.
(Formerly M0850)
+0
10
2, 3, 7, 19, 56, 174, 561, 1859, 6292, 21658, 75582, 266798, 950912, 3417340, 12369285, 45052515, 165002460, 607283490, 2244901890, 8331383610, 31030387440, 115948830660, 434542177290, 1632963760974, 6151850548776
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Maintained by
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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.
AT&T Labs Research
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