1,1

Table of n, a(n) for n=1..17.

The first term is 59575553 which is a prime and is the reverse concatenation of 53,55,57 and 59 which are four consecutive odd numbers.

Sequence in context: A288281 A238355 A104329 * A106807 A213354 A186908

Adjacent sequences: A104330 A104331 A104332 * A104334 A104335 A104336

base,nonn

Shyam Sunder Gupta, Apr 17 2005

approved