Number of length 3+5 0..n arrays with every six consecutive terms having two times the sum of some two elements equal to the sum of the remaining four.
A249088
Number of length 3+5 0..n arrays with every six consecutive terms having two times the sum of some two elements equal to the sum of the remaining four.
Terms
- a(0) =22a(1) =243a(2) =2844a(3) =15493a(4) =55318a(5) =195519a(6) =525960a(7) =1201225a(8) =2645038a(9) =5175815a(10) =9258348a(11) =16218441a(12) =26602442a(13) =41385791a(14) =63581316a(15) =93693521a(16) =133477418a(17) =188493299a(18) =259075080a(19) =347572337a(20) =463553770a(21) =606221499a(22) =779323728a(23) =997197941a(24) =1257681970
External references
- oeis: A249088