Number of even entries in the character table of the symmetric group S_n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =2a(4) =6a(5) =16a(6) =44a(7) =90a(8) =266a(9) =508a(10) =966a(11) =1824a(12) =3548a(13) =6094a(14) =11586a(15) =19254a(16) =37492a(17) =61876a(18) =103110a(19) =170932a(20) =286916a(21) =456554a(22) =759962a(23) =1190034a(24) =1887766a(25) =2937820a(26) =4608084a(27) =7004646a(28) =10938762a(29) =16372732