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A244621 as a simple table

na(n)
11
25
37
47
511
65
77
87
911
101
111
127
135
145
151
1611
177
181
191
205
2111
2211
237
245
2511
261
271
285
2911
301
311
325
337
347
355
365
3711
3811
397
405
411
427
4311
445
457
467
477
487
4911
505
517
5211
535
541
5511
567
575
585
5911
601
611
6211
6311
647
651
6611
6711
685

[1,5,7,7,11,5,7,7,11,1,1,7,5,5,1,11,7,1,1,5,11,11,
 7,5,11,1,1,5,11,1,1,5,7,7,5,5,11,11,7,5,1,7,11,5,
 7,7,7,7,11,5,7,11,5,1,11,7,5,5,11,1,1,11,11,7,1,
 11,11,5]