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A105865 as a simple table

na(n)
01
11
24
39
430
594
6328
71165
84294
916134
1061752
11239610
12940716
133729324
1414908176
1560026109
16243211206
17990897478
184057013080
1916683617326
2068879236036
21285388549188
221186296731376
234945790840338
2420675513743900
2586648395759516

[1,1,4,9,30,94,328,1165,4294,16134,61752,239610,
 940716,3729324,14908176,60026109,243211206,
 990897478,4057013080,16683617326,68879236036,
 285388549188,1186296731376,4945790840338,
 20675513743900,86648395759516]