Squared length of interior diagonal of n-th (U, V)-crossbox, where U = (1, 0, 1) and V = (0, 1, 0), as in Comments.
A384853
Squared length of interior diagonal of n-th (U, V)-crossbox, where U = (1, 0, 1) and V = (0, 1, 0), as in Comments.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =21a(4) =57a(5) =165a(6) =489a(7) =1461a(8) =4377a(9) =13125a(10) =39369a(11) =118101a(12) =354297a(13) =1062885a(14) =3188649a(15) =9565941a(16) =28697817a(17) =86093445a(18) =258280329a(19) =774840981a(20) =2324522937a(21) =6973568805a(22) =20920706409a(23) =62762119221a(24) =188286357657a(25) =564859072965
External references
- oeis: A384853