Triple factorial numbers: Product_{k=0..n-1} (3*k+2).

A008544

Triple factorial numbers: Product_{k=0..n-1} (3*k+2).

Terms

    a(0) =1a(1) =2a(2) =10a(3) =80a(4) =880a(5) =12320a(6) =209440a(7) =4188800a(8) =96342400a(9) =2504902400a(10) =72642169600

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