Number of degrees of irreducible representations of symmetric group S_n that appear more than once.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =3a(6) =4a(7) =6a(8) =10a(9) =14a(10) =20a(11) =26a(12) =35a(13) =43a(14) =49a(15) =77a(16) =103a(17) =125a(18) =174a(19) =190a(20) =274a(21) =340a(22) =430a(23) =496a(24) =686a(25) =838a(26) =1026a(27) =1263a(28) =1579a(29) =1832