Number of n X 1 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X 1 array.

A217450

Number of n X 1 arrays of the minimum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 n X 1 array.

Terms

    a(0) =3a(1) =3a(2) =9a(3) =17a(4) =37a(5) =77a(6) =163a(7) =343a(8) =723a(9) =1523a(10) =3209a(11) =6761a(12) =14245a(13) =30013a(14) =63235a(15) =133231a(16) =280707a(17) =591427a(18) =1246089a(19) =2625409a(20) =5531525a(21) =11654477a(22) =24555043a(23) =51735495a(24) =109002515a(25) =229659507a(26) =483874057a(27) =1019483609a(28) =2147969733a(29) =4525598973

External references