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A277671 as a simple table

n a(n)
0 1
1 8
2 57
3 406
4 2892
5 20600
6 146736
7 1045216
8 7445184
9 53032832
10 377758463
11 2690813426
12 19166948203
13 136528196220
14 972504760052
15 6927254109472
16 49343562590512
17 351479407373632
18 2503624937520704
19 17833584831080448
20 127030508108889857
21 904851724611169300

[1,8,57,406,2892,20600,146736,1045216,7445184,
 53032832,377758463,2690813426,19166948203,
 136528196220,972504760052,6927254109472,
 49343562590512,351479407373632,2503624937520704,
 17833584831080448,127030508108889857,
 904851724611169300]

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Last modified January 17 06:12 EST 2022. Contains 350378 sequences. (Running on oeis4.)