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A156960 as a simple table

na(n)
01
10
21
31
40
51
60
77
80
91
1028
110
1235
130
141
150
16868
170
18155
190
201
2113888
220
2318228
240
25651
260
271
280
291763776
300
31330708
320
332667
340
351
36112881664
370
38149920960
390
405622036
410
4210795
430
441
450
4657682530304
470
4810944230080
490
5092672916
510
5243435
530
541

[1,0,1,1,0,1,0,7,0,1,28,0,35,0,1,0,868,0,155,0,1,
 13888,0,18228,0,651,0,1,0,1763776,0,330708,0,2667,
 0,1,112881664,0,149920960,0,5622036,0,10795,0,1,0,
 57682530304,0,10944230080,0,92672916,0,43435,0,1]