101812

Appears in sequences

• a(0)=1, a(1)=4, a(n)=8a(n-1)-13a(n-2), n>=2.at n=7A083882
• a(n) = (1/2)*A291036(n).at n=11A291037
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / ( (1-x) * (1-y) * (1 - log(1-x) * log(1-y)) ).at n=47A382823
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] 1 / ( (1-x) * (1-y) * (1 - log(1-x) * log(1-y)) ).at n=52A382823