Smith square numbers.

Terms

a(0) =4a(1) =121a(2) =576a(3) =729a(4) =6084a(5) =10201a(6) =17424a(7) =18496a(8) =36481a(9) =51529a(10) =100489a(11) =124609a(12) =184041a(13) =195364a(14) =410881a(15) =559504a(16) =674041a(17) =695556a(18) =732736a(19) =887364a(20) =896809a(21) =966289a(22) =988036a(23) =1038361a(24) =1190281a(25) =1238769a(26) =1726596a(27) =1852321a(28) =2166784a(29) =2975625