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A191660 as a simple table

na(n)
02
11
24
34
413
514
636
748
896
9141
10261
11386
12676
131030
141706
152619
164230
176462
1810219
1915568
2024165
2136627
2256103
2384428
24127873
25191201
26286663
27425802
28632973
29933995
301377774
312020424
322959438
334314109
346278824
359100908
3613167388
3718983295
3827313916
3939177636
4056080228
4180048942
42114030110
43162018938
44229741517
45325000341
46458854803
47646409612

[2,1,4,4,13,14,36,48,96,141,261,386,676,1030,1706,
 2619,4230,6462,10219,15568,24165,36627,56103,
 84428,127873,191201,286663,425802,632973,933995,
 1377774,2020424,2959438,4314109,6278824,9100908,
 13167388,18983295,27313916,39177636,56080228,
 80048942,114030110,162018938,229741517,325000341,
 458854803,646409612]