Number of proper many times partitions of n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =14a(5) =44a(6) =244a(7) =1196a(8) =9366a(9) =62296a(10) =584016a(11) =5120548a(12) =60244028a(13) =627389924a(14) =8378159376a(15) =106097674780