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A303570
a(n) = palindrome arising when A303501(n+1) is formed (if there is more than one, use the smallest).
2
11, 101, 121, 22, 202, 121, 121, 313, 33, 303, 131, 414, 44, 404, 141, 515, 55, 505, 151, 616, 66, 606, 161, 717, 77, 707, 171, 818, 88, 808, 181, 919, 9999, 909, 919, 292, 222, 232, 242, 252, 262, 272, 282, 929, 393, 323, 333, 343
OFFSET
1,1
COMMENTS
Let A303501(n) = X, A303501(n+1) = Y. The digits of X and the first digit of Y can be rearranged to form a palindrome, possibly in several ways; a(n) is the smallest such palindrome.
LINKS
Jean-Marc Falcoz, Table of n, a(n) for n = 1..6625 (shortened by N. J. A. Sloane, Jan 18 2019)
CROSSREFS
Cf. A303501.
Sequence in context: A180421 A176179 A176196 * A208262 A062696 A113654
KEYWORD
nonn,base
AUTHOR
N. J. A. Sloane, Apr 26 2018
STATUS
approved