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Search: id:A153522
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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
1, 2, 7, 44, 487, 9548, 330644, 20241284, 2189838823, 418717329192, 141498666489433, 84510319691113604, 89205606502160918487, 166417820194039911511676, 548697154280844534323051836 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A128579 A001046 A158257 this_sequence A107354 A006118 A083670

Adjacent sequences: A153519 A153520 A153521 this_sequence A153523 A153524 A153525

KEYWORD

nonn

AUTHOR

Ron Hardin (rhhardin(AT)att.net) Jan 01 2009

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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