1763200

Appears in sequences

• a(0) = a(1) = 1; a(n+2) = 2*a(n+1) + 2*a(n).at n=15A026150
• Generalized NSW numbers.at n=7A107903
• Expansion of g.f.: x^2*(1 + x - x^2)/(1 - 2*x^2 - 2*x^4).at n=31A160444
• Elements of A160444, pairs of consecutive entries swapped.at n=30A160572