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A082488
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Sum[ Binomial[n, k] Binomial[n + k, k] Binomial[n + 2k, k] Binomial[n + 3k, k], {k, 0, n}]
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0
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1, 25, 2641, 392641, 67982041, 12838867105, 2564949195985, 533008982952625, 114035552691160585, 24950692835328410305, 5557138347370070346601, 1255741805437716400557625, 287180884347761929741524361
(list; graph; refs; listen; history; internal format)
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