1321887

Appears in sequences

• a(n) = (15*2^(2*n+2) + 15*2^(n+2) + 5*2^(n+3)*3^(n+1) - 24*5^(n+1))/120.at n=8A281581
• Expansion of exp( Sum_{n>=1} -sigma_9(n)*x^n/n ) in powers of x.at n=5A283339