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A141894 as a simple table

na(n)
113
297
3139
4181
5223
6307
7349
8433
9601
10643
11727
12769
13811
14853
15937
161021
171063
181231
191399
201483
211567
221609
231693
241777
251861
261987
272029
282113
292239
302281
312617
322659
332953
343037
353079
363121
373163
383331
393373
403457
413499
423541
433583
443709
453793
463877

[13,97,139,181,223,307,349,433,601,643,727,769,
 811,853,937,1021,1063,1231,1399,1483,1567,1609,
 1693,1777,1861,1987,2029,2113,2239,2281,2617,2659,
 2953,3037,3079,3121,3163,3331,3373,3457,3499,3541,
 3583,3709,3793,3877]