Number of compositions of n that have at least 1 part equal to 1 and any part 1 at position k can be k different colors.

A382992

Number of compositions of n that have at least 1 part equal to 1 and any part 1 at position k can be k different colors.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =9a(4) =38a(5) =190a(6) =1105a(7) =7465a(8) =57808a(9) =505924a(10) =4940320a(11) =53248819a(12) =627848796a(13) =8037734786a(14) =111017325240

External references