Number of connected components, not counting isolated vertices, of the blet graph for n coins.

Terms

a(0) =3a(1) =2a(2) =1a(3) =7a(4) =2a(5) =5a(6) =8a(7) =8a(8) =6a(9) =50a(10) =12a(11) =30a(12) =61a(13) =62a(14) =47a(15) =417a(16) =102a(17) =303a(18) =682a(19) =696a(20) =532a(21) =4904a(22) =1250a(23) =3854a(24) =8911a(25) =9218a(26) =7147a(27) =66735a(28) =17298a(29) =53965