a(n) is the smallest number k such that A275235(k) = n.

Terms

a(0) =1a(1) =4a(2) =9a(3) =16a(4) =35a(5) =57a(6) =93a(7) =222a(8) =427a(9) =819a(10) =1257a(11) =1270a(12) =1276a(13) =2651a(14) =5806a(15) =13673a(16) =19366a(17) =19372a(18) =27723a(19) =108857a(20) =113036a(21) =113038a(22) =115748a(23) =524856a(24) =560074a(25) =1006146a(26) =1219767a(27) =1652728a(28) =2704892a(29) =2704894