Triangle read by rows: Poincaré polynomials of orbifold of Fermat hypersurfaces.

Terms

a(0) =1a(1) =7a(2) =1a(3) =67a(4) =13a(5) =1a(6) =821a(7) =181a(8) =21a(9) =1a(10) =12281a(11) =2906a(12) =406a(13) =31a(14) =1a(15) =217015a(16) =53719a(17) =8359a(18) =799a(19) =43a(20) =1a(21) =4424071a(22) =1129899a(23) =188707a(24) =20637a(25) =1429a(26) =57a(27) =1a(28) =102207817a(29) =26710345