Numbers coprime to the number of their even divisors.

Terms

a(0) =1a(1) =2a(2) =8a(3) =32a(4) =50a(5) =98a(6) =128a(7) =162a(8) =200a(9) =242a(10) =338a(11) =392a(12) =512a(13) =578a(14) =722a(15) =968a(16) =1058a(17) =1352a(18) =1458a(19) =1568a(20) =1682a(21) =1922a(22) =2048a(23) =2312a(24) =2450a(25) =2592a(26) =2738a(27) =2888a(28) =3200a(29) =3362