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A074863 as a simple table

na(n)
01
11
21
31
44
57
613
725
849
994
10199
11394
12781
131423
143589
156286
1611485
1724601
1852225
1995137
20230374
21388378
22766114
231458025
243085549
256183571
2611138812
2725616473
2852394659
2990903760
30190798003
31371558074
32748909162
331317996148
342739360475
355277120958

[1,1,1,1,4,7,13,25,49,94,199,394,781,1423,3589,
 6286,11485,24601,52225,95137,230374,388378,766114,
 1458025,3085549,6183571,11138812,25616473,
 52394659,90903760,190798003,371558074,748909162,
 1317996148,2739360475,5277120958]