-19035

Appears in sequences

• a(n) = 6 + 33*n + 6*binomial(n, 2) - 28*binomial(n, 3) + 20*binomial(n, 4) - 47*binomial(n, 5).at n=11A058985
• Expansion of (1/x) * Series_Reversion( x/(x+1/(1+x^2)) ).at n=14A370836