Search: id:A082550 Results 1-1 of 1 results found. %I A082550 %S A082550 1,1,3,3,7,11,19,31,59,103,187,343,631,1171,2191,4095,7711,14571,27595, %T A082550 52431,99879 %N A082550 Number of sets of distinct positive integers whose arithmetic mean is an integer, the largest integer of the set being n. %C A082550 a(n) = A051293(n+1) - A051293(n). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 19 2006 %e A082550 a(5) = 7: the seven sets are (1+2+3+4+5)/5 = 3, 5/1 = 5, (1+5)/2 = 3, (1+3+5)/3 = 3, (3+5)/2 = 4, (3+4+5)/3 = 4, (1+2+4+5)/4 = 3. %Y A082550 Equals A063776(n) - 1. %Y A082550 Sequence in context: A136445 A052989 A022403 this_sequence A036056 A161815 A006661 %Y A082550 Adjacent sequences: A082547 A082548 A082549 this_sequence A082551 A082552 A082553 %K A082550 easy,nonn %O A082550 1,3 %A A082550 Naohiro Nomoto (n_nomoto(AT)yabumi.com), May 03 2003 Search completed in 0.001 seconds