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A293609 as a simple table

na(n)
01
11
20
37
44
50
690
7120
815
90
101701
113696
121316
1356
140
1542525
16129780
1784630
1812180
19210
200
211323652
225233404
235184894
241492744
25104049
26792
270
2849329280
29240240000
30326426100
31151251100
3222840818
33852852
343003
350

[1,1,0,7,4,0,90,120,15,0,1701,3696,1316,56,0,
 42525,129780,84630,12180,210,0,1323652,5233404,
 5184894,1492744,104049,792,0,49329280,240240000,
 326426100,151251100,22840818,852852,3003,0]