2097664
domain: N
Appears in sequences
- a(n) = (4^n + 4^[ n/2 ] )/2.at n=9A001446
- Dirichlet convolution of b_n=2^(n-1) with itself.at n=20A034733
- Sums of 2 distinct powers of 8.at n=24A038484
- Sums of two powers of 8.at n=31A055259
- a(n) = 2*4^n + (-1)^n*2^(n-1).at n=9A120470
- a(n) = n^5*(n^6 + 1)/2.at n=4A168412
- a(n) is the smallest positive k such that f(k) = n*g(k) where f = A007953 and g = A000120, or 0 if no such k exists.at n=16A293011