Search: id:A060859 Results 1-1 of 1 results found. %I A060859 %S A060859 8,288,675,9800,235224,332928,1825200,11309768,384199200,592192224, %T A060859 4931691075,13051463048,221322261600,443365544448,865363202000, %U A060859 8192480787000,13325427460800,15061377048200,511643454094368 %N A060859 Powerful numbers of form n^2 - 1 such that n^2 is also powerful. %H A060859 Index entries for sequences related to powerful numbers %F A060859 a(n)=x^2-1 and a(n)+1=x^2 are consecutive powerful numbers. %e A060859 Factors of the first [ = x^2-1] terms of powerful pairs: 1825200 = 2.2.2.2.3.3.3.5.5.13.13; 11309768 = 2.2.2.29.29.41.41; 592192224 = 2.2.2.2.2.3.3.13.13.23.23.23; 4931691075 = 3.3.3.3.3.5.5.17.17.53.53. The 2nd terms are squares. %Y A060859 Proper subset of A060355. Cf. A001694, A060860. %Y A060859 Sequence in context: A136364 A089670 A060355 this_sequence A054607 A132592 A034977 %Y A060859 Adjacent sequences: A060856 A060857 A060858 this_sequence A060860 A060861 A060862 %K A060859 nonn %O A060859 0,1 %A A060859 Labos E. (labos(AT)ana.sote.hu), May 04 2001 %E A060859 Corrected and extended by Jud McCranie (j.mccranie(AT)comcast.net), Jul 08 2001 Search completed in 0.001 seconds