203040

Appears in sequences

• Generalized tangent numbers d_(n,2).at n=32A000176
• a(n) = floor( n*(n-1)*(n-2)*(n-3)/23 ).at n=48A011933
• n!*A062868(n).at n=5A196687
• Theta series of 10-dimensional integral lattice O_10.at n=23A306434