login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A133414
Half the number of ways of placing up to n^3 identical weights in an n X n X n grid so that it balances at its center, at most one weight to a grid position.
2
1, 9, 403840, 3134895604437030, 2672411782638277673724960927991328
OFFSET
1,2
CROSSREFS
Sequence in context: A120352 A225069 A058468 * A013850 A174001 A273234
KEYWORD
nonn,more
AUTHOR
R. H. Hardin, Nov 25 2007
STATUS
approved