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A030525 as a simple table

na(n)
40
51
62
75
810
921
1041
1185
12167
13345
14680
151421
162823
175953
1811902
1925341
2050993
21109409
22221372
23478189
24972346
252112181
264313451
279415165
2819301199
2942303241
3087015978
31191398741
32394888368
33871297141
341802488991
353987998101
368270169571
3718342194721

[0,1,2,5,10,21,41,85,167,345,680,1421,2823,5953,
 11902,25341,50993,109409,221372,478189,972346,
 2112181,4313451,9415165,19301199,42303241,
 87015978,191398741,394888368,871297141,1802488991,
 3987998101,8270169571,18342194721]