T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

A204876

T(n,k) = Number of (n+1) X (k+1) 0..3 arrays with the permanents of all 2 X 2 subblocks equal and nonzero.

Terms

    a(0) =207a(1) =551a(2) =551a(3) =1467a(4) =3167a(5) =1467a(6) =4245a(7) =10397a(8) =10397a(9) =4245a(10) =12241a(11) =59377a(12) =53311a(13) =59377a(14) =12241a(15) =36285a(16) =219871a(17) =337179a(18) =337179a(19) =219871a(20) =36285a(21) =107397a(22) =1174669a(23) =1912223a(24) =4256141a(25) =1912223a(26) =1174669a(27) =107397a(28) =321317a(29) =4655229

External references