198720

Appears in sequences

• Theta series of 10-dimensional lattice (C6 X SU(4,2)):C2 with minimal norm 4.at n=11A029770
• a(n) = Product_{i=0..n-1} (7*i+2).at n=5A084947
• Septuple factorial, 7-factorial, n!7, n!!!!!!!, a(n) = n*a(n-7) if n > 1, else 1.at n=30A114799
• Triangle read by rows: t(n,m)=If[m == 0, 1, Product[m*k + 2, {k, 0, n}]].at n=32A153190
• Worpitzky form polynomials for the {1,16,1} A142462 sequence: p(x,n) = Sum_{k=1..n} A(n, k)*binomial(x + k - 1, n - 1).at n=20A168296
• a(n) = 378*n^2 - 54*n (n>=1).at n=22A305070
• Theta series of 10-dimensional integral lattice O_10.at n=22A306434
• Numbers k that have a record number of divisors that have the same binary weight as k.at n=20A381069