A278794 - OEIS

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A278794

Number of nX3 0..3 arrays with rows in nondecreasing lexicographic order and columns in nonincreasing lexicographic order, but with exactly two mistakes.

4, 1713, 145208, 7196852, 263134490, 7804657491, 197112382716, 4361870602212, 86190316947578, 1541836669016245, 25236090146159518, 381171321062737412, 5350587072804920340, 70218509804475284134, 865927060368778196406

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 3 of A278798.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

R. H. Hardin, Empirical polynomial of degree 173

FORMULA

Empirical polynomial of degree 173 (see link above)

EXAMPLE

Some solutions for n=3