Number of length 3+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
A249236
Number of length 3+5 0..n arrays with no six consecutive terms having two times the sum of any two elements equal to the sum of the remaining four.
Terms
- a(0) =92a(1) =1944a(2) =21648a(3) =128436a(4) =556024a(5) =1974784a(6) =5967084a(7) =15714420a(8) =38247620a(9) =85101320a(10) =176828220a(11) =348467560a(12) =652542984a(13) =1168383332a(14) =2021263648a(15) =3377139576a(16) =5476158948a(17) =8658723556a(18) =13363266788a(19) =20175405532a(20) =29898470296a(21) =43507494332
External references
- oeis: A249236