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A144514
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a(n) = Sum((n+k+3)!/((n-k)!*k!*2^k),k=0..n).
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1
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6, 84, 1050, 13980, 205800, 3368316, 61075854, 1219445100, 26635157010, 632479986600, 16235529291696, 448220024574504, 13247429692101150, 417453231024613140, 13974133833217747650, 495278130521939366196, 18530507890959175097784, 729908595489477119015700
(list; graph; refs; listen; history; internal format)
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