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A318372 as a simple table

na(n)
11
21
33
410
543
6216
71308
89157
973299
10659701
116597228
1272569509
13870835456
1411320860929
15158492062165
162377380932700
1738038094996499
18646647614940484
1911639657069589711
20221153484322204510
214423069686450687468
2292884463415464445994
232043458195140290381379
2446999538488226678771718

[1,1,3,10,43,216,1308,9157,73299,659701,6597228,
 72569509,870835456,11320860929,158492062165,
 2377380932700,38038094996499,646647614940484,
 11639657069589711,221153484322204510,
 4423069686450687468,92884463415464445994,
 2043458195140290381379,46999538488226678771718]