Number of zeros in character table of symmetric group S_n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =4a(4) =10a(5) =29a(6) =55a(7) =153a(8) =307a(9) =588a(10) =1018a(11) =2230a(12) =3543a(13) =6878a(14) =11216a(15) =20615a(16) =33355a(17) =57980a(18) =90194a(19) =155176a(20) =239327a(21) =395473a(22) =604113a(23) =970294a(24) =1453749a(25) =2323476a(26) =3425849a(27) =5349414a(28) =7905133a(29) =11963861