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A219751 as a simple table

na(n)
00
10
20
30
42
53
68
716
836
976
10164
11348
12740
131564
143300
156940
1614564
1730492
1863716
19132892
20276708
21575260
221194212
232475804
245126372
2510602268
2621903588
2745205276
2893206756
29192005916
30395196644
31812762908
321670265060
333430008604
347038974180
3514435862300

[0,0,0,0,2,3,8,16,36,76,164,348,740,1564,3300,
 6940,14564,30492,63716,132892,276708,575260,
 1194212,2475804,5126372,10602268,21903588,
 45205276,93206756,192005916,395196644,812762908,
 1670265060,3430008604,7038974180,14435862300]