a(n) = Sum_{k=0..floor((n-1)/3)} Stirling1(n,3*k+1).
A357835
a(n) = Sum_{k=0..floor((n-1)/3)} Stirling1(n,3*k+1).
Terms
- a(0) =0a(1) =1a(2) =-1a(3) =2a(4) =-5a(5) =14a(6) =-35a(7) =-14a(8) =1701a(9) =-26418a(10) =351351a(11) =-4622982a(12) =62705643a(13) =-890078826a(14) =13297263525a(15) =-209438953542
External references
- oeis: A357835