a(n) = A000031(n) - A001037(n).
A066656
a(n) = A000031(n) - A001037(n).
Terms
- a(0) =0a(1) =0a(2) =2a(3) =2a(4) =3a(5) =2a(6) =5a(7) =2a(8) =6a(9) =4a(10) =9a(11) =2a(12) =17a(13) =2a(14) =21a(15) =10a(16) =36a(17) =2a(18) =70a(19) =2a(20) =111a(21) =22a(22) =189a(23) =2a(24) =382a(25) =8a(26) =633a(27) =60a(28) =1185a(29) =2
External references
- oeis: A066656