login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A071277
a(1) = 1; a(n) = smallest palindrome which is a nontrivial multiple of n palindromes (repetitions allowed).
2
1, 4, 8, 88, 252, 2112, 2112, 2112, 4224, 8448, 48384, 48384, 405504, 405504, 405504, 40955904, 677707776, 677707776, 677707776, 677707776
OFFSET
1,2
EXAMPLE
a(4) = 88 = 2*2*2*11. 252=2*2*3*3*7 => a(5)=252.
CROSSREFS
Cf. A071276.
Sequence in context: A120281 A331986 A057974 * A336795 A273060 A215844
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Jun 07 2002
EXTENSIONS
Corrected and extended by Sascha Kurz, Jan 02 2003
STATUS
approved