Number of permutations of an n-sequence discordant with three given permutations (see reference) in n-7 places.
31, 304, 4230, 43880, 547338, 6924960, 94714620, 1375878816, 21273204330
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Fri Oct 29 05:35:16 CEST 2010 [seqfan] Implementing first 500 sequences in Java