a(n) = (number of compositions of n into odd parts) - (number of compositions of n into distinct parts).
A282694
a(n) = (number of compositions of n into odd parts) - (number of compositions of n into distinct parts).
Terms
- a(0) =0a(1) =0a(2) =0a(3) =-1a(4) =0a(5) =0a(6) =-3a(7) =0a(8) =2a(9) =7a(10) =-2a(11) =24a(12) =43a(13) =100a(14) =184a(15) =259a(16) =552a(17) =980a(18) =1733a(19) =3004a(20) =5210a(21) =8195a(22) =14414a(23) =23900a(24) =40075a(25) =66264a(26) =110088a(27) =180815a(28) =293496a(29) =483768
External references
- oeis: A282694