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A128838 formatted as a simple table:

n a(n)
0 1
1 81
2 120758446
3 241516973
4 1328343311
5 2898203595
6 4226546906
7 49390219561
8 53616766467
9 103006986028
10 156623752495
11 886125748503
12 1042749500998
13 1928875249501
14 2971624750499
15 4900500000000

[1,81,120758446,241516973,1328343311,2898203595,
 4226546906,49390219561,53616766467,103006986028,
 156623752495,886125748503,1042749500998,
 1928875249501,2971624750499,4900500000000]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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