Number of partitions of {1...n} containing 2 strings of 3 consecutive integers, where each string is counted within a block and a string of more than 3 consecutive integers are counted three at a time.

A105484

Number of partitions of {1...n} containing 2 strings of 3 consecutive integers, where each string is counted within a block and a string of more than 3 consecutive integers are counted three at a time.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =38a(4) =177a(5) =882a(6) =4711a(7) =26795a(8) =161583a(9) =1028992a(10) =6896067a(11) =48487476a(12) =356703531a(13) =2738868784a(14) =21901044795a(15) =182022288438

External references