id:A123838 - OEIS Search Results

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Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 4 X 4.

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1

1, 13, 869, 69479, 6131125, 571764366, 55449596876 (list; graph; listen)

	OFFSET	`1,2`
	REFERENCES	`M. Abrahamsen and S. Eilers, Efficient counting of LEGO buildings, in preparation` `B. Durhuus and S. Eilers, On the entropy of LEGO, arXiv:math.CO/0504039`
	LINKS	`S. Eilers, LEGO counts`
	CROSSREFS	`Sequence in context: A086157 A033509 A060825 this_sequence A096084 A095680 A128685` `Adjacent sequences: A123835 A123836 A123837 this_sequence A123839 A123840 A123841`
	KEYWORD	`nonn,hard`
	AUTHOR	`Soren Eilers (eilers(AT)math.ku.dk), Oct 29 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.