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 A262120 Number of (n+1)X(4+1) 0..2 arrays with each row and column prime, read as a base 3 number with top and left being the most significant digits. 0
 47, 784, 8086, 473294, 1726432, 170946506 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A262122. LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for n=3 ..0..0..2..1..2....1..1..0..1..2....0..0..0..1..0....0..0..0..2..1 ..2..1..2..1..1....2..1..0..2..2....0..2..1..1..1....0..0..0..1..0 ..0..0..0..0..2....2..1..0..2..2....0..1..0..1..1....0..0..0..1..0 ..1..2..1..1..2....2..2..2..2..1....2..2..2..2..1....2..2..2..1..2 CROSSREFS Cf. A262122. Sequence in context: A163709 A244880 A101793 * A032626 A009054 A012018 Adjacent sequences: A262117 A262118 A262119 * A262121 A262122 A262123 KEYWORD nonn AUTHOR R. H. Hardin, Sep 11 2015 STATUS approved

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Last modified July 18 01:22 EDT 2024. Contains 374377 sequences. (Running on oeis4.)