Number of non-isomorphic multiset partitions of weight n whose part-sizes have a common divisor > 1.
A320810
Number of non-isomorphic multiset partitions of weight n whose part-sizes have a common divisor > 1.
Terms
- a(0) =0a(1) =2a(2) =3a(3) =12a(4) =7a(5) =84a(6) =15a(7) =410a(8) =354a(9) =3073a(10) =56a(11) =28300a(12) =101a(13) =210036a(14) =126839a(15) =2070047a(16) =297a(17) =25295952a(18) =490a(19) =269662769a(20) =89071291a(21) =3449056162a(22) =1255a(23) =51132696310a(24) =400625539a(25) =713071048480a(26) =145126661415a(28) =4565a(30) =6842
External references
- oeis: A320810