A050784 -id:A050784 - cp's OEIS frontend

A050783 Palindromes containing no pair of consecutive equal digits.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 101, 121, 131, 141, 151, 161, 171, 181, 191, 202, 212, 232, 242, 252, 262, 272, 282, 292, 303, 313, 323, 343, 353, 363, 373, 383, 393, 404, 414, 424, 434, 454, 464, 474, 484, 494, 505, 515, 525, 535, 545, 565, 575, 585, 595, 606

Offset: 1

Patrick De Geest, Sep 15 1999

Cf. A002113, A050784, A030147, A046075.

Select[Range[0,610],Reverse[x=IntegerDigits[#]]==x&&FreeQ[Differences[x],0]&] (* Jayanta Basu, Jun 01 2013 *)

A050786 Palindromic primes containing at least one pair of consecutive equal digits.

Original entry on oeis.org

11, 11311, 11411, 13331, 15551, 16661, 19991, 33533, 72227, 75557, 76667, 77377, 77477, 77977, 78887, 79997, 1003001, 1008001, 1022201, 1055501, 1114111, 1117111, 1120211, 1123211, 1126211, 1129211, 1134311, 1145411, 1150511

Offset: 1

Patrick De Geest, Sep 15 1999

Cf. A002385, A050785, A050784, A050758.

Select[Prime[Range[89500]],Reverse[x=IntegerDigits[#]]==x&&MemberQ[Differences[x],0]&] (* Jayanta Basu, Jun 01 2013 *)

cp's OEIS Frontend

A050783 Palindromes containing no pair of consecutive equal digits.

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