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A126447
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Column 1 of triangle A126445; a(n) = C( C(n+3,3) - 1, n).
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7
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1, 3, 36, 969, 46376, 3478761, 377447148, 56017460733, 10912535409348, 2703343379981793, 830496702831140346, 310006778438284515093, 138247735223480364826280, 72613463426660610635960445
(list; graph; refs; listen; history; internal format)
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