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A128148 as a simple table

n a(n)
0 2
1 2929
2 41459
3 2352527
4 144937
5 1055
6 1829903
7 7316185805
8 114491
9 3146746271
10 5028467
11 20299
12 69609309001
13 129433
14 15307006153
15 2149705
16 66469
17 559182815
18 18429503
19 4529951
20 7094711
21 83591212702535
22 1251548749
23 38088889

[2,2929,41459,2352527,144937,1055,1829903,
 7316185805,114491,3146746271,5028467,20299,
 69609309001,129433,15307006153,2149705,66469,
 559182815,18429503,4529951,7094711,83591212702535,
 1251548749,38088889]

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Last modified December 5 05:27 EST 2016. Contains 278761 sequences.