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 A251995 Number of (n+2)X(3+2) 0..3 arrays with no row, column, diagonal or antidiagonal in any 3X3 subblock summing to 2 4 5 or 7 1
 43572, 1209382, 38479934, 1231596986, 39474106776, 1265816542694, 40596220326266, 1301978765063776, 41756405884362602, 1339191256678793348, 42949901148550952950, 1377468698325294568476, 44177517778315502196492 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A252000 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 96 FORMULA Empirical recurrence of order 96 (see link above) EXAMPLE Some solutions for n=1 ..3..0..0..3..3....0..3..0..3..3....0..3..3..0..3....3..0..0..0..0 ..0..0..3..3..0....3..3..0..0..0....1..0..0..0..0....0..3..0..0..0 ..3..0..0..3..0....3..0..0..3..3....0..0..0..0..3....3..0..0..0..3 CROSSREFS Sequence in context: A210331 A233690 A205923 * A094493 A342580 A165479 Adjacent sequences: A251992 A251993 A251994 * A251996 A251997 A251998 KEYWORD nonn AUTHOR R. H. Hardin, Dec 12 2014 STATUS approved

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Last modified December 7 23:30 EST 2023. Contains 367662 sequences. (Running on oeis4.)