85600

Appears in sequences

• Expansion of e.g.f.: exp(tanh(x))/cos(x).at n=10A009264
• Sum of squares of heptanacci numbers (Fibonacci 7-step numbers).at n=15A107245
• Number of (n+1) X 2 0..3 arrays with every 2 X 2 subblock sum greater than 6.at n=3A184209
• Number of (n+1)X5 0..3 arrays with every 2X2 subblock sum greater than 6.at n=0A184212
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock sum greater than 6.at n=6A184217
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock sum greater than 6.at n=9A184217
• Irregular table read by rows: Take a decagon with all diagonals drawn, as in A333139. Then T(n,k) = number of k-sided polygons in that figure for k >= 3.at n=21A332417