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A307528 as a simple table

na(n)
01
10
21
31
44
59
627
776
8226
9680
102078
116441
1220153
1363684
14202732
15649930
162095854
176794684
1822131765
1972393439
20237703654
21783198068
222588645047
238580674778
2428517805357
2595009277576
26317242351135
271061500510809
283558683892258
2911952025977378
3040209157279701

[1,0,1,1,4,9,27,76,226,680,2078,6441,20153,63684,
 202732,649930,2095854,6794684,22131765,72393439,
 237703654,783198068,2588645047,8580674778,
 28517805357,95009277576,317242351135,
 1061500510809,3558683892258,11952025977378,
 40209157279701]