A203558
Number of nX2 0..2 arrays with row sums equal and column sums equal.
Original entry on oeis.org
3, 9, 9, 33, 53, 183, 395, 1249, 3141, 9459, 25655, 75639, 212943, 623093, 1787609, 5222369, 15134933, 44250051, 128996855, 377748883, 1105350731, 3242546393, 9513228125, 27953744695, 82176836303, 241834027353, 712070156205
Offset: 1
Some solutions for n=5
..1..1....2..2....2..0....2..2....0..0....1..1....1..1....2..0....0..0....2..2
..1..1....2..2....1..1....2..2....0..0....0..2....0..2....1..1....0..0....2..2
..2..0....2..2....1..1....2..2....0..0....2..0....2..0....2..0....0..0....2..2
..1..1....2..2....1..1....2..2....0..0....2..0....0..2....0..2....0..0....2..2
..0..2....2..2....0..2....2..2....0..0....0..2....2..0....0..2....0..0....2..2
A203559
Number of nX3 0..2 arrays with row sums equal and column sums equal.
Original entry on oeis.org
3, 9, 87, 177, 993, 10833, 35619, 219873, 2083713, 8710539, 55644339, 473819481, 2320792659, 15120204297, 119105713827, 650725327233, 4293779332929, 32065818855387, 188739799967427, 1256510215733187, 9061494550445907
Offset: 1
Some solutions for n=5
..1..0..2....2..0..1....1..2..0....2..1..0....2..2..2....2..0..1....0..2..1
..0..1..2....0..2..1....2..1..0....2..1..0....2..2..2....1..0..2....2..1..0
..2..0..1....0..1..2....1..1..1....0..2..1....2..2..2....0..1..2....1..1..1
..1..2..0....2..0..1....0..1..2....0..1..2....2..2..2....1..2..0....0..1..2
..1..2..0....1..2..0....1..0..2....1..0..2....2..2..2....1..2..0....2..0..1
A203560
Number of nX4 0..2 arrays with row sums equal and column sums equal.
Original entry on oeis.org
3, 33, 177, 5673, 32613, 513903, 7343451, 185804265, 1849858773, 30348858003, 499616140191, 10882786433775, 141444270208647, 2412815237573445, 41425627536496497, 824284992576210537, 12447291755448613317
Offset: 1
Some solutions for n=5
..1..0..2..1....0..1..2..1....1..1..1..1....2..1..1..0....2..0..0..2
..0..2..0..2....0..0..2..2....0..0..2..2....1..0..1..2....2..0..2..0
..0..2..2..0....1..0..1..2....1..2..1..0....2..1..0..1....1..1..1..1
..2..1..1..0....2..2..0..0....1..2..0..1....0..1..1..2....0..2..0..2
..2..0..0..2....2..2..0..0....2..0..1..1....0..2..2..0....0..2..2..0
A203561
Number of nX5 0..2 arrays with row sums equal and column sums equal.
Original entry on oeis.org
3, 53, 993, 32613, 2577513, 39612503, 1509893003, 59794281893, 2435292751413, 165459828692703, 4307041366439903, 185658731463324903, 8107975032968711943, 358060848206529563813, 21242986806159652173693, 717973394997481520889893
Offset: 1
Some solutions for n=5
..1..2..2..0..0....1..0..1..1..1....2..2..0..2..1....1..1..2..2..2
..0..0..2..2..1....2..0..0..2..0....0..2..1..2..2....1..2..1..2..2
..1..0..0..2..2....0..2..1..0..1....1..2..2..2..0....2..1..2..1..2
..1..1..0..1..2....0..2..2..0..0....2..0..2..1..2....2..2..1..2..1
..2..2..1..0..0....1..0..0..1..2....2..1..2..0..2....2..2..2..1..1
A203562
Number of n X 6 0..2 arrays with row sums equal and column sums equal.
Original entry on oeis.org
3, 183, 10833, 513903, 39612503, 8459809773, 360255871643, 37057831534783, 4131064166006823, 431284911997558083, 48321459222257750543
Offset: 1
Some solutions for n=5:
..2..1..0..2..1..0....2..0..2..2..0..0....0..2..1..0..2..1....1..2..1..1..0..1
..0..1..0..2..2..1....2..0..0..1..2..1....1..0..1..1..1..2....1..2..2..1..0..0
..0..0..1..1..2..2....1..1..2..0..0..2....2..2..2..0..0..0....1..1..1..1..1..1
..1..1..2..0..0..2....0..2..0..0..2..2....1..0..0..2..2..1....1..0..1..1..2..1
..2..2..2..0..0..0....0..2..1..2..1..0....1..1..1..2..0..1....1..0..0..1..2..2
A203563
Number of nX7 0..2 arrays with row sums equal and column sums equal.
Original entry on oeis.org
3, 395, 35619, 7343451, 1509893003, 360255871643
Offset: 1
Some solutions for n=4
..0..1..2..0..1..1..2....0..2..1..1..1..0..2....0..2..0..1..2..0..2
..2..1..0..1..1..2..0....0..0..0..1..2..2..2....1..0..0..2..2..1..1
..0..1..2..2..1..0..1....2..1..2..1..0..1..0....1..2..2..1..0..1..0
..2..1..0..1..1..1..1....2..1..1..1..1..1..0....2..0..2..0..0..2..1
Showing 1-6 of 6 results.
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