11534336

Appears in sequences

• a(n) = (n+2)*2^(n-1).at n=20A001792
• a(n) = 11*4^n.at n=10A002089
• a(n) = n*4^(n-1).at n=11A002697
• a(n) = 11*2^n.at n=20A005015
• a(n) = Sum_{k=0..floor(n/2)} k*binomial(n,2*k) = floor(n*2^(n-3)).at n=22A049610
• Denominators in the Taylor series for arccosh(x) - log(2*x).at n=10A052469
• Eighth column of triangle A067425.at n=5A067428
• Number of subsets of {1,.., n} containing exactly one prime.at n=30A089821
• a(0)=44; if n odd, a(n) = a(n-1)/2, otherwise a(n) = 4*a(n-1).at n=36A108213
• Row sums of triangle A134352.at n=20A134353
• A001792*A008683.at n=20A156827
• Numbers k such that k = A074206(k), the number of ordered factorizations of k.at n=9A163272
• a(n) = (2*n + 1)*16^n.at n=5A165283
• Composite numbers n such that p^2 * (p - 1) divides 2(n - p) for every prime p dividing n.at n=36A175670
• Expansion of g.f. (1-5*x)/(1-16*x).at n=6A196664
• Number of compositions of n with at most one odd part.at n=41A211164
• Expansion of x * (1 - 2*x + 8*x^5 - 8*x^6) / (1 - 4*x^4)^2.at n=41A235789
• Write the coefficient of x^n/n! in the expansion of (x/(exp(x)-1))^(1/2) as f(n)/g(n); sequence gives g(n).at n=10A242225
• Triangle for denominators of coefficients for integrated odd powers of cos(x) in terms sin((2*m+1)*x).at n=60A273172
• Denominators of the exponential expansion of (4/(3*log(1+x)))*(1 - 1/(1+x)^(3/4)).at n=10A285060