Beginning with 1, palindromes such that successive differences are distinct primes.

Terms

a(0) =1a(1) =3a(2) =6a(3) =11a(4) =22a(5) =101a(6) =202a(7) =333a(8) =404a(9) =555a(10) =616a(11) =797a(12) =828a(13) =1001a(14) =20002a(15) =30303a(16) =40204a(17) =50705a(18) =60306a(19) =70907a(20) =81018a(21) =90109a(22) =213312a(23) =1003001a(24) =2000002a(25) =3003003a(26) =4011104a(27) =5000005a(28) =6008006a(29) =7001007