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A139959 as a simple table

na(n)
153
2101
3149
4293
5389
6461
7509
8557
9701
10773
11797
121109
131181
141277
151301
161373
171613
181709
191733
201973
211997
222141
232333
242381
252549
262741
272789
282837
292909
302957
313221
323413
333557
343821
354013
364133
374157
384229
394373
404421
414637
424877

[53,101,149,293,389,461,509,557,701,773,797,1109,
 1181,1277,1301,1373,1613,1709,1733,1973,1997,2141,
 2333,2381,2549,2741,2789,2837,2909,2957,3221,3413,
 3557,3821,4013,4133,4157,4229,4373,4421,4637,4877]