477218583

Appears in sequences

• a(n) = 4*a(n-1) + n with n > 1, a(1)=1.at n=14A014825
• Expansion of 1/((1-2*x)*(1-x^2)^2).at n=28A091919
• Modulo 2 binomial transform of the Jacobsthal numbers J(n).at n=30A100745