Number of partitions of the set {1,2,...,n} such that no block is a sequence of consecutive integers (including 1-element blocks).

A168444

Number of partitions of the set {1,2,...,n} such that no block is a sequence of consecutive integers (including 1-element blocks).

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =5a(6) =21a(7) =91a(8) =422a(9) =2103a(10) =11226a(11) =63879a(12) =385691a(13) =2461004a(14) =16535820a(15) =116628147a(16) =861033654a(17) =6637143698a(18) =53297137552a(19) =444940442553

External references