14417920
domain: N
Appears in sequences
- 3-fold convolution of A000302 (powers of 4).at n=9A038845
- Denominator of 4*(Integral_{x=0..1} (1-x^2)^((2n-1)/2) dx)/Pi.at n=10A086891
- a(n) = 4^(n-1)*Fibonacci(n).at n=10A099133
- Smallest number ending with the digits of n that has exactly n prime factors (counted with multiplicity).at n=19A109687
- a(n) = (3*n+1)*2^n.at n=18A130129
- The second left hand column of triangle A167591.at n=14A167592
- G.f. satisfies: A(x) = exp( Sum_{n>=1} [Sum_{k=0..2*n} T(n,k)^2 * x^k] / A(x)^n * x^n/n ), where T(n,k) is the coefficient of x^k in (1 + x + 2*x^2)^n.at n=39A251687
- Fixed points of map n -> A366275(n).at n=41A366277