1,1

Table of n, a(n) for n=1..21.

191 is not in the sequence since it is the arithmetic mean of two distinct palindromes, 9 and 373.

Cf. A083158.

Sequence in context: A121520 A308335 A083442 * A118557 A267273 A138713

Adjacent sequences: A114117 A114118 A114119 * A114121 A114122 A114123

base,nonn

Giovanni Resta, Feb 06 2006

approved