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A179570 as a simple table

na(n)
10
20
30
40
50
61
78
8276
92774
1059939
11693696
1213728106
13180768774
143638322281
1554074432712
161147607880440
1719083350797374
18432538009487375

[0,0,0,0,0,1,8,276,2774,59939,693696,13728106,
 180768774,3638322281,54074432712,1147607880440,
 19083350797374,432538009487375]