Number of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= ten.
A287260
Number of set partitions of [n] such that all absolute differences between least elements of consecutive blocks are <= ten.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =15a(5) =52a(6) =203a(7) =877a(8) =4140a(9) =21147a(10) =115975a(11) =678570a(12) =4213596a(13) =27643409a(14) =190833091a(15) =1381223515a(16) =10448641031a(17) =82388624090a(18) =675565642030
External references
- oeis: A287260