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A123802 Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1x7. 0
1, 32, 3292, 401408, 53855801, 7664347918 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A016793 A215045 A219343 * A264057 A221659 A222053
KEYWORD
nonn,hard
AUTHOR
Søren Eilers, Oct 29 2006
STATUS
approved

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)