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A048354 formatted as a simple table:

n a(n)
1 3
2 63
3 173
4 1414
5 17313
6 53937
7 138923
8 953937
9 3082207
10 31622764
11 99849687
12 301579177
13 3033150173
14 14142134563
15 141413973847
16 543315746063

[3,63,173,1414,17313,53937,138923,953937,3082207,
 31622764,99849687,301579177,3033150173,
 14142134563,141413973847,543315746063]

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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