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A181150 as a simple table

na(n)
111
231
3131
4351
51343
62211
74931
86879
912191
1024419
1129823
1250691
1368963
1479551
15103871
16148931
17205439
18227043
19300831
20357983
21389091
22493119
23571871
24705059
25912771
261030403
271092831
281225151
291295139
301443011
312048511
322248223
332571491
342685759
353308099
363443103
373870051
384330911
394657631
405177891
415735519

[11,31,131,351,1343,2211,4931,6879,12191,24419,
 29823,50691,68963,79551,103871,148931,205439,
 227043,300831,357983,389091,493119,571871,705059,
 912771,1030403,1092831,1225151,1295139,1443011,
 2048511,2248223,2571491,2685759,3308099,3443103,
 3870051,4330911,4657631,5177891,5735519]