557685

Appears in sequences

• Expansion of 1/((1-3*x)*(1-6*x)).at n=7A016137
• Odd numbers divisible by exactly 10 primes (counted with multiplicity).at n=18A046323
• Stirling2 triangle with scaled diagonals (powers of 3).at n=37A075498
• a(n) = (n+1)*(n+2)*(n+9)*3^n/18.at n=8A080421
• a(n) = p(2,n), where p(x,n) is the strong divisibility sequence of polynomials based on sqrt(2) as in A327320.at n=7A329007