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A048921 formatted as a simple table:

n a(n)
1 1
2 26884
3 542041975
4 10928650279834
5 220343446399977901
6 4442564555387704166896
7 89570986345383445012986019
8 1805930222253056462964119954950
9 36411165051495138060899141518722649

[1,26884,542041975,10928650279834,
 220343446399977901,4442564555387704166896,
 89570986345383445012986019,
 1805930222253056462964119954950,
 36411165051495138060899141518722649]

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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