Number of Feynman diagrams (vanishing and non-vanishing) of order 2n for the proper self-energy function of quantum electrodynamics (QED).
A115974
Number of Feynman diagrams (vanishing and non-vanishing) of order 2n for the proper self-energy function of quantum electrodynamics (QED).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =42a(4) =414a(5) =5058a(6) =72486a(7) =1182762a(8) =21573054a(9) =434358018a(10) =9565348806a(11) =228740050602
External references
- oeis: A115974