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A150107 as a simple table

na(n)
01
12
26
319
469
5258
61014
74082
816800
970383
10299011
111284372
125572651
1324374059
14107358625
15475819313
162120059036
179490995387
1842668497139
19192542510134
20871799541820
213959436307454
2218032344193044
2382332352883961
24376785054885822
251727985033292291
267940321135142378
2736553005597894890

[1,2,6,19,69,258,1014,4082,16800,70383,299011,
 1284372,5572651,24374059,107358625,475819313,
 2120059036,9490995387,42668497139,192542510134,
 871799541820,3959436307454,18032344193044,
 82332352883961,376785054885822,1727985033292291,
 7940321135142378,36553005597894890]