**Triangle of Mahonian numbers T(n,k): coefficients in expansion of Product_{i=0..n-1} (1+x+...+x^i), where k ranges from 0 to A000217(n-1).**

*1, 1, 1, 1, 2, 2, 1, 1, 3, 5, 6, 5, 3, 1, 1, 4, 9, 15, 20, 22, 20, 15, 9, 4, 1, 1, 5, 14, 29, 49*

*5 seqfan posts*

*Sat Jun 18 18:13:23 CEST 2011* [seqfan] Re: A recurrence for the Dirichlet inverse of the Euler totient function.

*Sat Jun 18 17:20:11 CEST 2011* [seqfan] Re: A recurrence for the Dirichlet inverse of the Euler totient function.

*Fri Jun 17 22:19:14 CEST 2011* [seqfan] A recurrence for the Dirichlet inverse of the Euler totient function.

*Sun Nov 9 19:22:31 CET 2008* [seqfan] Re: Fw: bubble sort

*Sun Nov 9 00:38:10 CET 2008* [seqfan] Fw: bubble sort

Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword

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