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A042880 as a simple table

n a(n)
0 31
1 156
2 187
3 343
4 530
5 4053
6 24848
7 28901
8 111551
9 140452
10 2077879
11 2218331
12 8732872
13 10951203
14 74440090
15 532031833
16 606471923
17 1138503756
18 1744975679
19 9863382151
20 613274669041
21 3076236727356

[31,156,187,343,530,4053,24848,28901,111551,
 140452,2077879,2218331,8732872,10951203,74440090,
 532031833,606471923,1138503756,1744975679,
 9863382151,613274669041,3076236727356]

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Last modified March 19 15:02 EDT 2019. Contains 321330 sequences. (Running on oeis4.)