Number of partitions of {1...n} containing 4 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.

A105486

Number of partitions of {1...n} containing 4 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) =11a(3) =50a(4) =255a(5) =1362a(6) =7746a(7) =46556a(8) =294965a(9) =1963865a(10) =13703812a(11) =99974851a(12) =760824922a(13) =6027441398a(14) =49616033975a(15) =423649629415

External references