Palindromes with exactly 7 prime factors (counted with multiplicity).

Terms

a(0) =27872a(1) =27972a(2) =29592a(3) =42224a(4) =57375a(5) =63336a(6) =63536a(7) =65056a(8) =67176a(9) =80208a(10) =80608a(11) =80808a(12) =82128a(13) =82728a(14) =83538a(15) =84048a(16) =84348a(17) =86768a(18) =88088a(19) =88288a(20) =232232a(21) =238832a(22) =259952a(23) =279972a(24) =401104a(25) =409904a(26) =414414a(27) =420024a(28) =424424a(29) =441144