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A133542 formatted as a simple table:

n a(n)
1 1905628
2 6732373
3 30869213
4 77899469
5 225817709
6 818869469
7 1701546341
8 4243135181
9 8946193541
10 15119520701
11 25303912709
12 46580770157
13 86195577389
14 132965847509
15 217102866629
16 334423935221
17 463593800381
18 664500722261

[1905628,6732373,30869213,77899469,225817709,
 818869469,1701546341,4243135181,8946193541,
 15119520701,25303912709,46580770157,86195577389,
 132965847509,217102866629,334423935221,
 463593800381,664500722261]

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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