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A195801 Number of triangular nXnXn 0..4 arrays with all rows and diagonals having the same length having the same sum, with corners zero 0
1, 1, 5, 125, 1759, 213319 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Column 4 of A195805

LINKS

Table of n, a(n) for n=1..6.

EXAMPLE

Some solutions for n=5

......0..........0..........0..........0..........0..........0..........0

.....2.2........3.0........1.3........4.2........4.2........2.1........0.2

....2.2.0......1.3.1......0.1.0......0.3.2......0.3.3......2.2.0......3.4.2

...1.1.3.3....0.3.3.3....3.1.1.1....3.4.2.3....4.3.0.3....0.1.3.3....2.2.3.1

..0.3.1.1.0..0.3.1.0.0..0.1.0.3.0..0.3.1.3.0..0.2.3.3.0..0.3.1.0.0..0.0.4.1.0

CROSSREFS

Sequence in context: A193612 A195949 A067081 * A154022 A013710 A202628

Adjacent sequences:  A195798 A195799 A195800 * A195802 A195803 A195804

KEYWORD

nonn

AUTHOR

R. H. Hardin Sep 23 2011

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)