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A156621 as a simple table

n a(n)
1 1442399
2 8993999
3 16007999
4 18258527
5 25090079
6 51136799
7 71690087
8 95433359
9 108722327
10 119617967
11 136913399
12 141538607
13 144264119
14 146724767
15 151856327
16 177928919
17 187169759
18 198443567
19 212080967
20 230644967
21 233386727
22 249924479

[1442399,8993999,16007999,18258527,25090079,
 51136799,71690087,95433359,108722327,119617967,
 136913399,141538607,144264119,146724767,151856327,
 177928919,187169759,198443567,212080967,230644967,
 233386727,249924479]

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Last modified May 23 23:42 EDT 2022. Contains 353993 sequences. (Running on oeis4.)