Numbers n with property that n^2 contains "1234" as a substring.

Terms

a(0) =1111a(1) =3513a(2) =3514a(3) =9013a(4) =11109a(5) =11110a(6) =11111a(7) =11112a(8) =11113a(9) =14357a(10) =14572a(11) =20524a(12) =22635a(13) =30205a(14) =33518a(15) =35129a(16) =35130a(17) =35131a(18) =35132a(19) =35133a(20) =35134a(21) =35135a(22) =35136a(23) =35137a(24) =35138a(25) =35139a(26) =35140a(27) =35141a(28) =35142a(29) =39003