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A149833 as a simple table

na(n)
01
12
24
310
430
594
6309
71068
83798
913854
1051834
11197150
12761151
132984766
1411841509
1547428821
16191899909
17783286480
183219622765
1913325287138
2055516004988
21232584392264
22979365099918
234144435559953
2417617616589605
2575193307662253
26322164970730139
271385350445979640
285977051004543671

[1,2,4,10,30,94,309,1068,3798,13854,51834,197150,
 761151,2984766,11841509,47428821,191899909,
 783286480,3219622765,13325287138,55516004988,
 232584392264,979365099918,4144435559953,
 17617616589605,75193307662253,322164970730139,
 1385350445979640,5977051004543671]