Number of partitions of n-1 boys and one girl with no couple.

Terms

a(0) =1a(1) =1a(2) =3a(3) =5a(4) =9a(5) =14a(6) =23a(7) =34a(8) =52a(9) =75a(10) =109a(11) =153a(12) =216a(13) =296a(14) =407a(15) =549a(16) =739a(17) =981a(18) =1300a(19) =1702a(20) =2224a(21) =2879a(22) =3716a(23) =4761a(24) =6083a(25) =7721a(26) =9774a(27) =12306a(28) =15450a(29) =19307