Number of maximal subsets of {1..n} containing n such that every ordered pair of distinct elements has a different difference.
A325880
Number of maximal subsets of {1..n} containing n such that every ordered pair of distinct elements has a different difference.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =8a(6) =8a(7) =10a(8) =18a(9) =34a(10) =50a(11) =70a(12) =78a(13) =89a(14) =120a(15) =181a(16) =277a(17) =401a(18) =561a(19) =728a(20) =867a(21) =1031a(22) =1219a(23) =1537a(24) =2013a(25) =2684a(26) =3581a(27) =4973a(28) =6435a(29) =8124
External references
- oeis: A325880