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A205454 as a simple table

na(n)
12
22
318
420
55
618
77
8136
918
1020
11143
12984
1313
14322
1546365
162576
1734
1818
196764
2020
21966
22374
23322
24984
2575025
2652
2754
282576
29986
30317790
312178308
32832032
3346365
3434
3517710
3646224
374181
386764
392178306
402440
41123
42966
4339603
442178308
45317790

[2,2,18,20,5,18,7,136,18,20,143,984,13,322,46365,
 2576,34,18,6764,20,966,374,322,984,75025,52,54,
 2576,986,317790,2178308,832032,46365,34,17710,
 46224,4181,6764,2178306,2440,123,966,39603,
 2178308,317790]