Number of partitions of n into at least two parts such that the product of largest and smallest part does not exceed n.
A116901
Number of partitions of n into at least two parts such that the product of largest and smallest part does not exceed n.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =2a(4) =4a(5) =5a(6) =8a(7) =12a(8) =18a(9) =25a(10) =35a(11) =47a(12) =66a(13) =87a(14) =118a(15) =155a(16) =207a(17) =264a(18) =348a(19) =443a(20) =571a(21) =725a(22) =923a(23) =1155a(24) =1466a(25) =1821a(26) =2275a(27) =2821a(28) =3501a(29) =4293
External references
- oeis: A116901