Number of geometrically distinct edge-unfoldings of a regular n-gonal pyramid.

Terms

a(0) =4a(1) =8a(2) =15a(3) =33a(4) =67a(5) =152a(6) =340a(7) =791a(8) =1845a(9) =4411a(10) =10557a(11) =25600a(12) =62332a(13) =152780a(14) =375859a(15) =928841a(16) =2302191a(17) =5724425a(18) =14269196a(19) =35655157a(20) =89277769a(21) =223982893a(22) =562912585a(23) =1417014038a(24) =3572323492a(25) =9018370892a(26) =22796073015a(27) =57691327693a(28) =146165207035a(29) =370706641856