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Pascal's triangle or binomial coefficients

146850Nov 14 2005 — edited May 3 2008
<font color="red">you know Pascal's triangle like below.</font>

1
11
121
1331
14641
...
...

my question is to find out a query giving nth sequence,
that is to say,

when n=1, that query yields
1

when n=2
1
1

when n=3
1
2
1

when n=4
1
3
3
1

...
...

(oh, but you have NOT to use any subqueries)


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Locked on May 31 2008
Added on Nov 14 2005
29 comments
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