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A242383 as a simple table

na(n)
15
211
329
441
553
671
7239
8337
9419
10461
11503
12547
13599
14647
15863
161051
171187
181481
191721
201801
212549
222647
232969
243539
254421
266317
277129
288009
2910301
3012653
3113567
3214033
3317291
3418353
3519181
3619457
3720021
3822943
3923561
4024179
4127059
4229063
4329753
4431151
4533301
4635153

[5,11,29,41,53,71,239,337,419,461,503,547,599,647,
 863,1051,1187,1481,1721,1801,2549,2647,2969,3539,
 4421,6317,7129,8009,10301,12653,13567,14033,17291,
 18353,19181,19457,20021,22943,23561,24179,27059,
 29063,29753,31151,33301,35153]