44784

Appears in sequences

• Number of length 1+2 0..n arrays with no three consecutive terms having the sum of any two elements equal to twice the third.at n=34A248462
• Numbers n such that the decimal number concat(9,n) is a square.at n=38A273364
• Expansion of exp( Sum_{n>=1} -sigma_6(n)*x^n/n ) in powers of x.at n=6A283336
• Expansion of Sum_{k>=0} k! * ( x * (1+x^2) )^k.at n=8A370509