81584

Appears in sequences

• Number of (-1,0,1) polynomials of degree-n irreducible over the integers.at n=10A087610
• Number of permutations of 1..n with all sums of 2 through 4 adjacent terms respectively unique.at n=9A147726
• Number of permutations of 1..n with all sums of 2 through 5 adjacent terms respectively unique.at n=9A147727
• Number of permutations of 1..n with all sums of 2 through 6 adjacent terms respectively unique.at n=9A147728
• Number of permutations of 1..n with all sums of 2 through 7 adjacent terms respectively unique.at n=9A147729
• Number of permutations of 1..n with all sums of 2 through 8 adjacent terms respectively unique.at n=9A147730
• Number of reduced words of length n in the Weyl group B_36.at n=4A162150
• Number of reduced words of length n in the Weyl group D_36.at n=4A162388