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Search: id:A085523
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A085523 Product_{k=0..n} (4^(2k+1)+1). +0
1
1, 5, 325, 333125, 5458253125, 1430853765453125, 6001437102708869453125, 402749632331680654432389453125, 432449125237897791207428190509189453125, 7429419400754766057344059513229133345069189453125, 2042183254696046247075864924725939712088925233082669189453125, 8981616938352999804189736540441162599045265812868432152715194669189453125 (list; graph; listen)
OFFSET

-1,2

REFERENCES

J. A. Thas, Old and new results on spreads and ovoids of finite classical polar spaces, pp. 529-544 of A. Barlotti et al., eds., Combinatorics `90, North-Holland 1992.

CROSSREFS

Sequence in context: A094161 A130308 A053516 this_sequence A029495 A086900 A124477

Adjacent sequences: A085520 A085521 A085522 this_sequence A085524 A085525 A085526

KEYWORD

nonn

AUTHOR

njas, Jul 03 2003

page 1

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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