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A271940 as a simple table

na(n)
21
32
45
513
634
71
889
98
10233
1142
12610
13183
141
151597
16717
1713
184181
192622
20102
2110946
229134
23624
241
2528657
2630691
273275
2819
2975025
30100284
3115473
32205
33196418
34320466
3567684
361650
371
38514229
391005630
40279106
4111020
4226
431346269
443108324
451098402
4664553
47366
483524578
499485551
504161750
51342867
523716
531

[1,2,5,13,34,1,89,8,233,42,610,183,1,1597,717,13,
 4181,2622,102,10946,9134,624,1,28657,30691,3275,
 19,75025,100284,15473,205,196418,320466,67684,
 1650,1,514229,1005630,279106,11020,26,1346269,
 3108324,1098402,64553,366,3524578,9485551,4161750,
 342867,3716,1]