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A318123 as a simple table

na(n)
01
11
21
32
43
56
611
722
842
990
10165
11364
12710
131586
142885
156288
1612546
1728686
1855406
19130284
20261016
21555716
221149559
232552096
245429610
2511510594
2623650462
2754063580
28109053128
29262968892
30501771275
311192348336
322635608642
335766609158
3411935917602
3528867050172
3658702673480

[1,1,1,2,3,6,11,22,42,90,165,364,710,1586,2885,
 6288,12546,28686,55406,130284,261016,555716,
 1149559,2552096,5429610,11510594,23650462,
 54063580,109053128,262968892,501771275,1192348336,
 2635608642,5766609158,11935917602,28867050172,
 58702673480]