Number of length 1+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.

A249657

Number of length 1+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.

Terms

    a(0) =2a(1) =53a(2) =164a(3) =485a(4) =1046a(5) =2077a(6) =3708a(7) =6149a(8) =9610a(9) =14441a(10) =20832a(11) =29173a(12) =39794a(13) =53105a(14) =69476a(15) =89417a(16) =113318a(17) =141769a(18) =175260a(19) =214361a(20) =259642a(21) =311813a(22) =371424a(23) =439225a(24) =515906a(25) =602237a(26) =698948a(27) =806909a(28) =926870a(29) =1059781

External references