First occurrence of n in A334144.

Terms

a(0) =1a(1) =6a(2) =15a(3) =33a(4) =65a(5) =77a(6) =154a(7) =161a(8) =217a(9) =231a(10) =455a(11) =469a(12) =483a(13) =693a(14) =957a(15) =987a(16) =1001a(17) =1449a(18) =1463a(19) =2021a(20) =2717a(21) =2093a(22) =2415a(23) =2967a(24) =3003a(25) =4147a(26) =3059a(27) =4853a(28) =4945a(29) =4899