Search: id:A059868 Results 1-1 of 1 results found. %I A059868 %S A059868 3,9,11,12,24 %N A059868 There exist no palindromic pentagonals of length n. %H A059868 P. De Geest, Palindromic pentagonals %Y A059868 Cf. A034822, A059869, A059870, A034307, A000326, A028386, A002069. %Y A059868 Sequence in context: A025538 A070354 A074261 this_sequence A101735 A101620 A116444 %Y A059868 Adjacent sequences: A059865 A059866 A059867 this_sequence A059869 A059870 A059871 %K A059868 nonn,base,hard %O A059868 1,1 %A A059868 Patrick De Geest (pdg(AT)worldofnumbers.com), Feb 15 2000. Search completed in 0.001 seconds