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A303974 as a simple table

na(n)
11
22
31
43
53
63
74
86
910
106
115
1210
1322
1423
1515
166
1715
1840
1957
2062
2127
227
2321
2465
25115
26165
27129
2863
298
3028
3198
32205
33356
34385
35318
36120
379
3836
39140
40336
41676
42914
431005
44676
45252
4610
4745
48192
49518
501176
511885
522524
532334
541524
55495
5611
5755
58255
59762
601918
613528
625495
636319
645607
653261
661023

[1,2,1,3,3,3,4,6,10,6,5,10,22,23,15,6,15,40,57,62,
 27,7,21,65,115,165,129,63,8,28,98,205,356,385,318,
 120,9,36,140,336,676,914,1005,676,252,10,45,192,
 518,1176,1885,2524,2334,1524,495,11,55,255,762,
 1918,3528,5495,6319,5607,3261,1023]