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A229008 as a simple table

na(n)
15
223
3101
4359
51145
63527
710735
832907
9101635
10315579
11982305
123059025
139524031
1429640801
1592224095
16286910991
17892560177
182776725201
198638459639
2026874806287
2183609764417
22260117322353
23809247413805
242517636208515
257832571212121

[5,23,101,359,1145,3527,10735,32907,101635,315579,
 982305,3059025,9524031,29640801,92224095,
 286910991,892560177,2776725201,8638459639,
 26874806287,83609764417,260117322353,809247413805,
 2517636208515,7832571212121]