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Search: id:A119574
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| A119574 |
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Binomial(2*n,n)*(n+2)^2/(n+1). |
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+0 1
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| 4, 9, 32, 125, 504, 2058, 8448, 34749, 143000, 588302, 2418624, 9934834, 40770352, 167152500, 684656640, 2801810205, 11455885080, 46801769190, 191055480000, 779363066790, 3177034283280, 12942655253580, 52693956656640
(list; graph; listen)
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