Number of non-isomorphic aperiodic multiset partitions of weight n with no singletons.
A320812
Number of non-isomorphic aperiodic multiset partitions of weight n with no singletons.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =3a(4) =10a(5) =23a(6) =79a(7) =204a(8) =670a(9) =1974a(10) =6521a(11) =21003a(12) =71944a(13) =248055a(14) =888565a(15) =3240552a(16) =12152093a(17) =46527471a(18) =182337383a(19) =729405164a(20) =2979114723a(21) =12407307929a(22) =52670334237a(23) =227725915268
External references
- oeis: A320812