68248

Appears in sequences

• a(n+1)=a(n)+a(n-1) if a(n-1) odd, a(n+1)=a(n)+a(n-1)/2 if a(n-1) even.at n=27A078696
• The multinomial transform of A001818(n) = ((2*n-1)!!)^2.at n=4A274760