Number of set partitions of [n] into blocks with distinct element sums.
A275780
Number of set partitions of [n] into blocks with distinct element sums.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =12a(5) =43a(6) =160a(7) =668a(8) =3098a(9) =15465a(10) =83100a(11) =477651a(12) =2914505a(13) =18795814a(14) =127790544a(15) =911448954a(16) =6808162094a(17) =53067398065a(18) =430956571977
External references
- oeis: A275780