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A230670 as a simple table

n a(n)
1 3
2 87
3 1173
4 17271
5 251595
6 3669765
7 53519163
8 780527655
9 11383251453
10 166013909415
11 2421155095347
12 35310246222069
13 514966385300499
14 7510295349852327
15 109530520538219973
16 1597398553655896551

[3,87,1173,17271,251595,3669765,53519163,
 780527655,11383251453,166013909415,2421155095347,
 35310246222069,514966385300499,7510295349852327,
 109530520538219973,1597398553655896551]

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Last modified January 17 12:12 EST 2022. Contains 350394 sequences. (Running on oeis4.)