Number of 0..n arrays x(0..6) of 7 elements without any interior element greater than both neighbors.

A200890

Number of 0..n arrays x(0..6) of 7 elements without any interior element greater than both neighbors.

Terms

    a(0) =65a(1) =704a(2) =3823a(3) =14288a(4) =42182a(5) =105813a(6) =235538a(7) =478467a(8) =904111a(9) =1611038a(10) =2734601a(11) =4455802a(12) =7011356a(13) =10705019a(14) =15920244a(15) =23134229a(16) =32933421a(17) =46030540a(18) =63283187a(19) =85714100a(20) =114533122a(21) =151160945a(22) =197254694a(23) =254735415a(24) =325817531a(25) =413040330

External references