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A214357 Number of 7X7X7 triangular 0..n arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors 1
284724, 293207907, 49555044358, 3160001994563, 107180513854464, 2318511875463567, 35699489509054494, 420636918387554285, 3989623026879608554, 31608512602702469537, 215115456420213959696 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 7 of A214352

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..13

EXAMPLE

Some solutions for n=1

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

.......0.1............0.0............0.0............0.1............0.0

......0.1.0..........0.0.0..........0.0.0..........0.1.1..........1.0.0

.....0.1.0.0........1.0.1.0........0.1.0.1........0.0.1.1........1.1.0.1

....0.0.1.0.0......1.0.1.1.0......0.1.1.0.1......0.0.1.1.0......1.1.0.0.1

...1.0.1.0.0.1....1.1.0.1.1.0....0.1.1.0.1.1....1.0.1.1.0.0....1.1.0.0.1.1

..0.1.0.1.0.1.0..1.1.0.0.1.0.0..0.0.1.0.1.0.1..1.0.1.0.1.0.0..0.1.0.1.0.1.1

CROSSREFS

Sequence in context: A235827 A204866 A236504 * A096519 A334311 A249633

Adjacent sequences:  A214354 A214355 A214356 * A214358 A214359 A214360

KEYWORD

nonn

AUTHOR

R. H. Hardin Jul 13 2012

STATUS

approved

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Last modified June 23 21:56 EDT 2021. Contains 345402 sequences. (Running on oeis4.)