Number of connected functions on n points with a loop of length 10.

Terms

a(0) =1a(1) =1a(2) =7a(3) =34a(4) =158a(5) =655a(6) =2578a(7) =9619a(8) =34659a(9) =120966a(10) =412214a(11) =1375861a(12) =4516058a(13) =14611989a(14) =46712942a(15) =147798787a(16) =463512254a(17) =1442513910a(18) =4459548539a(19) =13706894100a(20) =41915906463a(21) =127607366453a(22) =386953440455