a(n) is the number of size n Eulerian orientations in L2(2).
A278462
a(n) is the number of size n Eulerian orientations in L2(2).
Terms
- a(0) =1a(1) =2a(2) =10a(3) =66a(4) =504a(5) =4148a(6) =35794a(7) =319384a(8) =2922472a(9) =27273568a(10) =258591700a(11) =2483951402a(12) =24121423518a(13) =236417231844
External references
- oeis: A278462