Number of partitions of {1,...,n} containing 4 strings of 3 consecutive integers such that only v-strings of consecutive integers can appear in a block, where v = 1,2,3.

A105494

Number of partitions of {1,...,n} containing 4 strings of 3 consecutive integers such that only v-strings of consecutive integers can appear in a block, where v = 1,2,3.

Terms

    a(0) =5a(1) =75a(2) =855a(3) =8665a(4) =83485a(5) =788515a(6) =7424515a(7) =70378930a(8) =675685240a(9) =6594991405a(10) =65598204272

External references