The binary weights of the odd Catalan numbers.

Terms

a(0) =1a(1) =1a(2) =2a(3) =6a(4) =16a(5) =25a(6) =60a(7) =127a(8) =244a(9) =494a(10) =1010a(11) =2015a(12) =4076a(13) =8086a(14) =16281a(15) =32818a(16) =65518a(17) =131059a(18) =262348a(19) =524448a(20) =1047643a(21) =2097675a(22) =4194133a(23) =8386693a(24) =16776916a(25) =33554390a(26) =67114125a(27) =134214652a(28) =268452748