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A138325 as a simple table

na(n)
10
20
32
40
53
60
75
85
90
107
110
127
1311
140
1513
160
1711
1811
1911
2013
2119
2217
2317
2413
250
260
2717
2817
2917
3023
3117
3219
3319
3419
350
360
3723
3823
3929
4023
410
4223
4323
4423
450
4643
4729
4829
490
5029
510
5231
5331
5437
5529
5629
5737
5841
5937
6041
6137
6243
6341
640
6541
6647
6741
6861
6937
7041
7141
7237
7343
7453
7541
7641
7743
7847

[0,0,2,0,3,0,5,5,0,7,0,7,11,0,13,0,11,11,11,13,19,
 17,17,13,0,0,17,17,17,23,17,19,19,19,0,0,23,23,29,
 23,0,23,23,23,0,43,29,29,0,29,0,31,31,37,29,29,37,
 41,37,41,37,43,41,0,41,47,41,61,37,41,41,37,43,53,
 41,41,43,47]