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A072077 as a simple table

na(n)
10
20
30
41
52
66
717
841
994
10215
11470
121004
132126
144449
159278
1619177
1739388
1880698
19164808
20335809
21683117
221387415
232813664
245700228
2511536241
2623324624
2747122764
2895134678
29191937316
30387024829
31780018815
321571331010
333164113363

[0,0,0,1,2,6,17,41,94,215,470,1004,2126,4449,9278,
 19177,39388,80698,164808,335809,683117,1387415,
 2813664,5700228,11536241,23324624,47122764,
 95134678,191937316,387024829,780018815,1571331010,
 3164113363]