Number of length 2+4 0..n arrays with every five consecutive terms having four times some element equal to the sum of the remaining four.

A249658

Number of length 2+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) =1218a(5) =2589a(6) =4944a(7) =8605a(8) =13814a(9) =21789a(10) =32332a(11) =46097a(12) =63726a(13) =85773a(14) =114604a(15) =149773a(16) =191878a(17) =241869a(18) =300548a(19) =371753a(20) =454178a(21) =548821a(22) =656856a(23) =779409a(24) =922630a(25) =1083277a(26) =1262944a(27) =1462789a(28) =1684282a(29) =1935745

External references