Positions of even numbers in A024614.

Terms

a(0) =3a(1) =8a(2) =13a(3) =15a(4) =22a(5) =24a(6) =29a(7) =32a(8) =34a(9) =40a(10) =42a(11) =47a(12) =52a(13) =54a(14) =57a(15) =62a(16) =67a(17) =69a(18) =71a(19) =78a(20) =79a(21) =81a(22) =85a(23) =90a(24) =97a(25) =99a(26) =104a(27) =109a(28) =113a(29) =115