A239113 The sequence starts with a(1)=0 and a(n) is the smallest integer not yet present that has a palindromic link with one or more previous terms; said link is a palindromic pattern involving one or more digits of a(n) and one or more digits of a(n-1), a(n-2), ... .

0, 10, 1, 11, 12, 2, 13, 3, 14, 4, 15, 5, 16, 6, 17, 7, 18, 8, 19, 9, 29, 20, 21, 22, 23, 24, 25, 26, 27, 28, 38, 30, 31, 32, 33, 34, 35, 36, 37, 39, 49, 40, 41, 42, 43, 44, 45, 46, 47, 48, 58, 50, 51, 52, 53, 54, 55, 56, 57, 59, 69, 60, 61, 62, 63, 64, 65, 66, 67, 68, 78, 70, 71, 72, 73, 74, 75, 76, 77, 79, 89, 80, 81, 82, 83, 84, 85, 86, 87, 88, 98, 90, 91, 92, 93, 94, 95, 96, 97, 99, 119, 100, 101, 102, 112, 103, 113, 104, 114, 105, 115, 106, 116, 107, 117, 108, 118, 109, 190, 110, 111, 120, 200, 201, 121

Offset

1,2

Comments

Terms computed by Jean-Marc Falcoz.

Links

Jean-Marc Falcoz, Table of n, a(n) for n = 1..2341

Eric Angelini, Palindromes' chain

Eric Angelini, Palindromes' chain [Cached copy, included with permission of the author]

Example

(0,10) is the first palindromic link; (10,1) is the second; (1,1) is the third; (1,1) is the fourth one; (2,2) is the fifth one; (1,2,12) is the sixth one; (3,3) the next one, etc.

Crossrefs

Sequence in context: A098760 A107408 A129888 * A107353 A297418 A297352

Adjacent sequences: A239110 A239111 A239112 * A239114 A239115 A239116

Keyword

nonn,base,look

Author

Eric Angelini, Mar 10 2014

Status

approved