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A158829 as a simple table

na(n)
11
21
32
45
515
652
7202
8861
93972
1019648
11103500
12577443
133396804
1420988116
15135770140
16916936351
176449233093
1847137434787
19357331341987
202804582808108
2122754919576652
22190578011064394
231645490708244886
2414629351150837605

[1,1,2,5,15,52,202,861,3972,19648,103500,577443,
 3396804,20988116,135770140,916936351,6449233093,
 47137434787,357331341987,2804582808108,
 22754919576652,190578011064394,1645490708244886,
 14629351150837605]