Number of maximal subsets of {1..n} containing no differences or quotients of pairs of distinct elements.
A326491
Number of maximal subsets of {1..n} containing no differences or quotients of pairs of distinct elements.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =4a(6) =5a(7) =7a(8) =9a(9) =10a(10) =16a(11) =22a(12) =27a(13) =39a(14) =52a(15) =70a(16) =90a(17) =120a(18) =150a(19) =198a(20) =262a(21) =357a(22) =448a(23) =602a(24) =782a(25) =1004a(26) =1294a(27) =1715a(28) =2229a(29) =2932
External references
- oeis: A326491