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A345908 as a simple table

na(n)
01
11
20
31
43
53
66
715
824
943
1092
11171
12315
13629
141218
152313
164523
178835
1817076
1933299
2065169

[1,1,0,1,3,3,6,15,24,43,92,171,315,629,1218,2313,
 4523,8835,17076,33299,65169]