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A171357 as a simple table

n a(n)
1 0
2 3
3 122
4 1678
5 8708
6 31888
7 87237
8 211421
9 446696
10 870716
11 1576708
12 2718854
13 4439585
14 7025582
15 10718165
16 15900659
17 23007806
18 32631672
19 45287113
20 61897265
21 83153605
22 110234586
23 144275841
24 186746768
25 238863948
26 302821142
27 380334101

[0,3,122,1678,8708,31888,87237,211421,446696,
 870716,1576708,2718854,4439585,7025582,10718165,
 15900659,23007806,32631672,45287113,61897265,
 83153605,110234586,144275841,186746768,238863948,
 302821142,380334101]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)