202488

Appears in sequences

• Expansion of 1/2 * (((1 + 2*x)/(1 - 2*x))^(3/2) - 1).at n=15A305612
• Expansion of (1/x) * Series_Reversion( x / ( (1+x)^2 * (1+3*x)^2 ) ).at n=5A371407