Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-4 places.
9, 30, 180, 980, 8326, 70272, 695690, 7518720, 89193276, 1148241458
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Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java