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A359673 as a simple table

na(n)
01
12
25
313
430
574
6202
7616
82126
97828
1029366
11110398
12414214
131556848
145892713
1522524354
1686954484
17338421674
181324660464
195204326208
2020498580511
2180907096678
22320002290542
231268500509496
245040195484362
2520073242195580
2680120884387322
27320442284717582
281283939790460139

[1,2,5,13,30,74,202,616,2126,7828,29366,110398,
 414214,1556848,5892713,22524354,86954484,
 338421674,1324660464,5204326208,20498580511,
 80907096678,320002290542,1268500509496,
 5040195484362,20073242195580,80120884387322,
 320442284717582,1283939790460139]