490676

Appears in sequences

• a(n) = floor(tau*a(n-1)) + a(n-2) with a(0)=0 and a(1)=1.at n=20A005821
• Expansion of (1/x) * Series_Reversion( x * (1-x) / C(x) ), where C(x) is the g.f. of A000108.at n=8A381817