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A026243 as a simple table

n a(n)
1 0
2 3
3 14
4 63
5 324
6 1955
7 13698
8 109599
9 986408
10 9864099
11 108505110
12 1302061343
13 16926797484
14 236975164803
15 3554627472074
16 56874039553215
17 966858672404688
18 17403456103284419
19 330665665962403998
20 6613313319248079999
21 138879579704209680020
22 3055350753492612960483

[0,3,14,63,324,1955,13698,109599,986408,9864099,
 108505110,1302061343,16926797484,236975164803,
 3554627472074,56874039553215,966858672404688,
 17403456103284419,330665665962403998,
 6613313319248079999,138879579704209680020,
 3055350753492612960483]

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Last modified March 28 17:25 EDT 2024. Contains 371254 sequences. (Running on oeis4.)