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A185419 as a simple table

na(n)
11
23
31
410
59
61
742
867
918
101
11248
12510
13235
1430
151
161992
174378
182835
19605
2045
211
2219600
2344268
2434888
2510605
261295
2763
281
29222288
30524748
31461748
32178913
3331080
342450
3584
361
372851712
387103088
396728428
403069612
41690753
4277112
434242
44108
451

[1,3,1,10,9,1,42,67,18,1,248,510,235,30,1,1992,
 4378,2835,605,45,1,19600,44268,34888,10605,1295,
 63,1,222288,524748,461748,178913,31080,2450,84,1,
 2851712,7103088,6728428,3069612,690753,77112,4242,
 108,1]