# oeis.org/A355277(1..) - Sep 08 2022 by M. F Hasler using PARI code given there
1 5
2 17
3 177
4 5573
5 79137
6 791377
7 7913777
8 79971937
9 557335733
10 5995957537
11 59995599137
12 599591791137
13 7991739957973
14 79971739957537
15 799739357539937
16 7991713197753777
17 79991971791119137
18 799999173991317537
19 7997391313911797973
20 79993971191773917973
21 799973971771331759137
22 7999397391951191191377
23 79999993999739739119377
24 799993991977179737593973