References to A058649

2^(n-4)*n*(n+1)*(n^2+5*n-2).
0, 1, 18, 132, 680, 2880, 10752, 36736, 117504, 357120, 1041920, 2939904

1 seqfan posts

Mon Dec 12 17:20:10 CET 2011    [seqfan] Re: A086421 is duplicate of A000120 ?
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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