Number of factorization patterns of polynomials of degree n over integers.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =11a(5) =17a(6) =34a(7) =52a(8) =94a(9) =145a(10) =244a(11) =370a(12) =603a(13) =899a(14) =1410a(15) =2087a(16) =3186a(17) =4650a(18) =6959a(19) =10040a(20) =14750a(21) =21077a(22) =30479a(23) =43120a(24) =61574a(25) =86308a(26) =121785a(27) =169336a(28) =236475a(29) =326201