Palindromes with exactly 5 palindromic prime factors (counted with multiplicity).

Terms

a(0) =252a(1) =616a(2) =5445a(3) =5775a(4) =8888a(5) =48884a(6) =268862a(7) =448844a(8) =526625a(9) =577775a(10) =1478741a(11) =2468642a(12) =3498943a(13) =5304035a(14) =13577531a(15) =17377371a(16) =22666622a(17) =29244292a(18) =33999933a(19) =124666421a(20) =151202151a(21) =1144664411a(22) =36466266463a(23) =334826628433a(24) =534874478435a(25) =592723327295a(26) =597593395795