%I A059591
%S A059591 1,2,5,10,17,26,37,2,65,82,101,122,145,170,197,226,257,290,13,362,401,
%T A059591 442,485,530,577,626,677,730,785,842,901,962,41,1090,1157,1226,1297,
%U A059591 1370,5,1522,1601,2,1765,74,1937,2026,2117,2210,2305,2402,2501,2602
%N A059591 Square-free part of n^2+1.
%C A059591 a(n)=A007913[n^2+1], a(n)*A059592[n]^2 = n^2+1 Related to period-1 continued 
               fractions [z,z,z,...]
%e A059591 a(7)=2 since 7^2+1 = 50 = 25*2 = (5^2)*2
%Y A059591 A007913, A059592, A000188.
%Y A059591 Sequence in context: A078393 A100292 A078325 this_sequence A082607 A159547 
               A002522
%Y A059591 Adjacent sequences: A059588 A059589 A059590 this_sequence A059592 A059593 
               A059594
%K A059591 easy,nonn
%O A059591 0,2
%A A059591 Marc LeBrun (mlb(AT)well.com), Jan 25 2001