Number of walks of length n between two vertices on an icosahedron at distance 2.
A030518
Number of walks of length n between two vertices on an icosahedron at distance 2.
Terms
- a(0) =0a(1) =2a(2) =8a(3) =52a(4) =248a(5) =1302a(6) =6448a(7) =32552a(8) =162448a(9) =813802a(10) =4067448a(11) =20345052a(12) =101717448a(13) =508626302a(14) =2543092448a(15) =12715657552a(16) =63578092448a(17) =317891438802
External references
- oeis: A030518