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A121803 formatted as a simple table:

n a(n)
1 0
2 28
3 432
4 2083
5 11262
6 54976
7 274107
8 1345543
9 6629946
10 32586349
11 160268532
12 787926091
13 3874117269
14 19047230005
15 93648237255
16 460429207264
17 2263745709876
18 11129911057732
19 54721250218635
20 269042081326366

[0,28,432,2083,11262,54976,274107,1345543,6629946,
 32586349,160268532,787926091,3874117269,
 19047230005,93648237255,460429207264,
 2263745709876,11129911057732,54721250218635,
 269042081326366]

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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