Number of nonisomorphic unfoldings of the n-th Johnson solid.

Terms

a(0) =8a(1) =15a(2) =308a(3) =3030a(4) =29757a(5) =7825005a(6) =63a(7) =448a(8) =3116a(9) =3421a(10) =40321a(11) =9a(12) =99a(13) =156a(14) =2010a(15) =25574a(16) =13041a(17) =268260a(18) =28427091a(19) =2982139245a(20) =822310337549a(21) =6193152a(22) =1935360000a(23) =599660087082a(25) =152a(26) =27195a(27) =1867560a(28) =1934427a(29) =125939163a(30) =132627603