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A061195 as a simple table

na(n)
11
21
31
41
57
61
711
89
911
1011
1123
1223
13607
14251
1559
1625
1797
1897
192647
202647
211337
22457
238917
248917
257951
264261
2712439
2812439
29587971
30587971
319687661
3213828799
33505163
341554793
351554793
361554793
371526171

[1,1,1,1,7,1,11,9,11,11,23,23,607,251,59,25,97,97,
 2647,2647,1337,457,8917,8917,7951,4261,12439,
 12439,587971,587971,9687661,13828799,505163,
 1554793,1554793,1554793,1526171]