Palindromes with exactly 7 (distinct) prime divisors.

Terms

a(0) =20522502a(1) =21033012a(2) =22444422a(3) =23555532a(4) =24266242a(5) =25777752a(6) =26588562a(7) =35888853a(8) =36399363a(9) =41555514a(10) =41855814a(11) =42066024a(12) =43477434a(13) =43777734a(14) =44888844a(15) =45999954a(16) =47199174a(17) =51066015a(18) =51666615a(19) =52777725a(20) =53588535a(21) =53888835a(22) =55233255a(23) =59911995a(24) =60066006a(25) =60366306a(26) =61777716a(27) =62588526a(28) =62700726