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A098274 as a simple table

n a(n)
0 1
1 7
2 163
3 5191
4 191251
5 7665757
6 324610399
7 14287393351
8 647133545107
9 29966682138757
10 1412267381766913
11 67516263948005341
12 3266295503353540399
13 159606073670867165713
14 7866072852462175900663

[1,7,163,5191,191251,7665757,324610399,
 14287393351,647133545107,29966682138757,
 1412267381766913,67516263948005341,
 3266295503353540399,159606073670867165713,
 7866072852462175900663]

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Last modified December 19 10:13 EST 2014. Contains 252186 sequences.