Number of partitions of n with parts (with repetitions) forming a division lattice (i.e., closed under GCD and LCM).
A051839
Number of partitions of n with parts (with repetitions) forming a division lattice (i.e., closed under GCD and LCM).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =10a(6) =11a(7) =16a(8) =19a(9) =26a(10) =27a(11) =41a(12) =42a(13) =55a(14) =64a(15) =81a(16) =83a(17) =113a(18) =115a(19) =149a(20) =165a(21) =197a(22) =203a(23) =266a(24) =276a(25) =329a(26) =358a(27) =429a(28) =440a(29) =553
External references
- oeis: A051839