Centered square numbers which are products of four distinct primes (or tetraprimes).

Terms

a(0) =99905a(1) =107185a(2) =242905a(3) =350285a(4) =363805a(5) =372385a(6) =433381a(7) =569245a(8) =590785a(9) =630565a(10) =692665a(11) =752765a(12) =907205a(13) =942565a(14) =1026745a(15) =1076045a(16) =1090765a(17) =1105585a(18) =1227745a(19) =1275205a(20) =1333345a(21) =1467185a(22) =1526005a(23) =1647113a(24) =1661665a(25) =1761565a(26) =1810705a(27) =1911013a(28) =2026085a(29) =2317705