39441
domain: N
Appears in sequences
- Expansion of (2+9*x-24*x^3+16*x^4-30*x^2) / ((1-x)*(2*x+1)*(2*x-1)*(4*x^2+4*x-1)).at n=6A110050
- Semiprimes q such that q^2-4 and q^2+4 are also semiprimes.at n=27A173084
- Number of length 2+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.at n=9A248989