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A032920 as a simple table

na(n)
11
23
314
416
540
642
7183
8185
9209
10211
11521
12523
13547
14549
152380
162382
172406
182408
192718
202720
212744
222746
236774
246776
256800
266802
277112
287114
297138
307140
3130941
3230943
3330967
3430969
3531279
3631281
3731305
3831307
3935335
4035337

[1,3,14,16,40,42,183,185,209,211,521,523,547,549,
 2380,2382,2406,2408,2718,2720,2744,2746,6774,6776,
 6800,6802,7112,7114,7138,7140,30941,30943,30967,
 30969,31279,31281,31305,31307,35335,35337]