3247695

Appears in sequences

• Expansion of 1/(1-3*x)^5; 5-fold convolution of A000244 (powers of 3).at n=8A036217
• Expansion of 1/(1 - 9*x)^9.at n=4A053108
• a(n) = (1/2)*n*(n-1)*3^(n-1).at n=11A129530
• a(n) = 3^n*Fibonacci(n).at n=10A261397