Number of length 5+6 0..n arrays with every seven consecutive terms having five times the sum of some two elements equal to two times the sum of the remaining five.
A249260
Number of length 5+6 0..n arrays with every seven consecutive terms having five times the sum of some two elements equal to two times the sum of the remaining five.
Terms
- a(0) =2a(1) =395a(2) =2048a(3) =10673a(4) =37442a(5) =108563a(6) =567504a(7) =2093337a(8) =6100670a(9) =15506047a(10) =33790602a(11) =69073383a(12) =126818950a(13) =264675031a(14) =492530342a(15) =881242457a(16) =1457336916a(17) =2343675015a(18) =3564233298a(19) =5318404897a(20) =8109729696a(21) =12154433653a(22) =17479577394a(23) =24792007427
External references
- oeis: A249260