Number of 10-element subsets of {1, 2, ..., n} having pairwise coprime elements.
A186986
Number of 10-element subsets of {1, 2, ..., n} having pairwise coprime elements.
Terms
- a(0) =8a(1) =8a(2) =16a(3) =16a(4) =24a(5) =24a(6) =268a(7) =268a(8) =1569a(9) =1857a(10) =1952a(11) =2010a(12) =2156a(13) =2176a(14) =9265a(15) =9596a(16) =10167a(17) =10339a(18) =35489a(19) =35589a(20) =103267a(21) =107303a(22) =111153a(23) =115675a(24) =297827a(25) =301611a(26) =442057a(27) =451649a(28) =484539a(29) =503173
External references
- oeis: A186986