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A147999 as a simple table

na(n)
01
11
22
33
48
515
639
777
8244
9543
101655
113729
1212385
1329510
1493170
15221283
16764948
171908675
186323115
1915688889
2055069789
21141067986
22473165330
231200395415
244290381497
2511232104990
2638585190644
27100082744787
28360316046969
29956558534943
303305432502421
318679121868177
3231575545872868
3384905308145331

[1,1,2,3,8,15,39,77,244,543,1655,3729,12385,29510,
 93170,221283,764948,1908675,6323115,15688889,
 55069789,141067986,473165330,1200395415,
 4290381497,11232104990,38585190644,100082744787,
 360316046969,956558534943,3305432502421,
 8679121868177,31575545872868,84905308145331]