Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-3 places.
6, 8, 40, 176, 1421, 10352, 93114, 912920, 9929997, 117970704, 1521176826
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Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java