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A153522 Number of planar n X n X n binary triangular grids with no more than 2 ones in any 2 X 2 X 2 subtriangle. 0
1, 2, 7, 44, 487, 9548, 330644, 20241284, 2189838823, 418717329192, 141498666489433, 84510319691113604, 89205606502160918487, 166417820194039911511676, 548697154280844534323051836 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A158257 A348857 A172389 * A355109 A278295 A356613
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved

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Last modified April 19 07:24 EDT 2024. Contains 371782 sequences. (Running on oeis4.)