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A366555 as a simple table

na(n)
01
11
20
31
43
53
64
715
830
942
1099
11255
12475
13915
142232
154977
169945
1721945
1851093
19110634
20238005
21542341
221227390
232696841
246035886
2513770402
2631001133
2769485295
28157945293
29359888373
30814699002
311850816823
324231092060
339659302380
3422028018679

[1,1,0,1,3,3,4,15,30,42,99,255,475,915,2232,4977,
 9945,21945,51093,110634,238005,542341,1227390,
 2696841,6035886,13770402,31001133,69485295,
 157945293,359888373,814699002,1850816823,
 4231092060,9659302380,22028018679]