Number of pairings of the first 2n positive integers so that the absolute differences of each pair are different.
A060963
Number of pairings of the first 2n positive integers so that the absolute differences of each pair are different.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =29a(5) =145a(6) =957a(7) =8397a(8) =85169a(9) =944221a(10) =11639417a(11) =160699437a(12) =2430145085a(13) =39776366397a(14) =703161838717
External references
- oeis: A060963