Number of n-node graphs without isolated nodes.
A002494
Number of n-node graphs without isolated nodes.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =2a(4) =7a(5) =23a(6) =122a(7) =888a(8) =11302a(9) =262322a(10) =11730500a(11) =1006992696a(12) =164072174728
External references
- oeis: A002494