Number of connected functions on n points with a loop of length 11.

Terms

a(0) =1a(1) =1a(2) =7a(3) =39a(4) =189a(5) =832a(6) =3415a(7) =13289a(8) =49594a(9) =178972a(10) =628397a(11) =2156842a(12) =7263306a(13) =24068685a(14) =78667879a(15) =254101597a(16) =812408511a(17) =2574398860a(18) =8094625175a(19) =25278311063a(20) =78465711029a(21) =242265995076a(22) =744465052503