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A146564 as a simple table

na(n)
11
24
34
47
54
613
74
810
97
1013
114
1222
134
1413
1513
1613
174
1822
194
2022
2113
2213
234
2431
257
2613
2710
2822
294
3040
314
3216
3313
3413
3513
3637
374
3813
3913
4031
414
4240
434
4422
4522
4613
474
4840
497
5022
5113
5222
534
5431
5513
5631
5713
5813
594
6067
614
6213
6322
6419
6513
6640
674
6822
6913
7040
714
7252

[1,4,4,7,4,13,4,10,7,13,4,22,4,13,13,13,4,22,4,22,
 13,13,4,31,7,13,10,22,4,40,4,16,13,13,13,37,4,13,
 13,31,4,40,4,22,22,13,4,40,7,22,13,22,4,31,13,31,
 13,13,4,67,4,13,22,19,13,40,4,22,13,40,4,52]