89812800

Appears in sequences

• Let M_n be the n X n matrix with M_n(i,j)=1/(i+j+5); then a(n)=1/det(M_n).at n=2A069644
• Number of permutations of 1..n with the sequence of sums of 7 adjacent elements having exactly 1 maximum.at n=6A179731
• Number of permutations of 1..n with the sequence of sums of 7 adjacent elements having exactly 3 maxima.at n=2A179733
• Number of unrooted labeled trees on 2n nodes with node degree either one or three.at n=5A274056
• a(n) is the least k > 0 such that A303822(k) = 3^n.at n=23A303823