Number of primitive (period n) bracelet structures using an infinite alphabet.
A276548
Number of primitive (period n) bracelet structures using an infinite alphabet.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =5a(4) =11a(5) =33a(6) =92a(7) =347a(8) =1347a(9) =6338a(10) =31949a(11) =179265a(12) =1071264a(13) =6845487a(14) =46162569a(15) =327731596a(16) =2437753739a(17) =18948597836a(18) =153498350744
External references
- oeis: A276548