Common Sigma, Uncommon Clique Numbers: a(n) is the minimal s for which there exists a set of n pairwise relatively prime integers with a sigma value of s.
A239635
Common Sigma, Uncommon Clique Numbers: a(n) is the minimal s for which there exists a set of n pairwise relatively prime integers with a sigma value of s.
Terms
- a(0) =1a(1) =12a(2) =24a(3) =72a(4) =240a(5) =360a(6) =1440a(7) =1440a(8) =1440a(9) =8640a(10) =10080a(11) =15120a(12) =34560a(13) =45360a(14) =55440a(15) =60480a(16) =60480a(17) =166320a(18) =181440a(19) =211680a(20) =332640a(21) =332640a(22) =332640a(23) =665280a(24) =665280a(25) =665280a(26) =831600a(27) =907200a(28) =1663200a(29) =2494800
External references
- oeis: A239635