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A033548 as a simple table

na(n)
1131
2263
3457
41039
51049
61091
71301
81361
91433
101571
111913
121933
132141
142221
152273
162441
172591
182663
192707
202719
212729
222803
233067
243137
253229
263433
273559
283631
294091
304153
314357
324397
334703
344723
354903
365009
375507
385701
395711
405741
415801
425843

[131,263,457,1039,1049,1091,1301,1361,1433,1571,
 1913,1933,2141,2221,2273,2441,2591,2663,2707,2719,
 2729,2803,3067,3137,3229,3433,3559,3631,4091,4153,
 4357,4397,4703,4723,4903,5009,5507,5701,5711,5741,
 5801,5843]