Number of edges in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition.
A334459
Number of edges in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and n+2 equally spaced points along the diameter (a total of 2n+2 points). See Comments for precise definition.
Terms
- a(0) =0a(1) =5a(2) =24a(3) =86a(4) =265a(5) =582a(6) =1260a(7) =2235a(8) =3861a(9) =6055a(10) =9416a(11) =13366a(12) =19409a(13) =26296a(14) =35408a(15) =46569a(16) =60945a(17) =76527a(18) =97432a(19) =119703a(20) =147753a(21) =178670a(22) =216844a(23) =256401a(24) =306825a(25) =358719a(26) =421848a(27) =487960a(28) =567617a(29) =647259
External references
- oeis: A334459