6530347008

Appears in sequences

• Ratios of successive terms are 3, 2, 3, 2, 3, 2, 3, 2, ...at n=25A026532
• a(n) = 6*a(n-2), starting with 1, 3, 9.at n=25A026565
• 6th binomial transform of (1,1,0,0,0,0,...).at n=12A081106
• Expansion of exp(3*x)*cosh(3*x).at n=13A081341
• a(n)=Product{k=0..n, 1+2^A010060(k)}/2.at n=25A101652
• a(n) = (n^3 - n^2)*6^n.at n=8A128989
• Denominator of Euler(n, 1/6).at n=13A156189
• Denominator of Bernoulli(n, 1/6).at n=13A158077
• a(n) = 3*6^n.at n=12A169604
• Expansion of 36*x^2*(1+36*x^2-6*x) / ((36*x^2+6*x+1)*(1-6*x)^2).at n=11A181635
• Integers k such that for some m >= 0, psi(k) = rad(k)^m, where psi(k) = A001615(k) and rad(k) = A007947(k).at n=24A356420