Number of regions in a Y-shaped polygon with equal arms of length n (see the Comments for definition).
A335861
Number of regions in a Y-shaped polygon with equal arms of length n (see the Comments for definition).
Terms
- a(0) =1a(1) =70a(2) =349a(3) =916a(4) =1474a(5) =2296a(6) =3412a(7) =4978a(8) =7042a(9) =9748a(10) =13132a(11) =17506a(12) =22786a(13) =29410a(14) =37288a(15) =46630a(16) =57574
External references
- oeis: A335861