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A126458
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Column 0 of triangle A126457; a(n) = C( C(n+2,3) + 3, n).
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5
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1, 4, 21, 286, 8855, 501942, 45057474, 5843355957, 1029873432159, 236236542585120, 68292983465630781, 24268885951464043344, 10392619362579990298763, 5276256293478688846049120
(list; graph; refs; listen; history; internal format)
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