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A172381 as a simple table

na(n)
01
11
21
32
43
51
65
710
86
91
1014
1136
1231
1310
141
1542
16137
17156
1875
1915
201
21132
22544
23787
24510
25155
2621
271
28429
292235
304017
313331
321380
33287
3428
351
361430
379445
3820809
3921405
4011411
413255
42490
4336
441
454862
4640876
47109486
48136921
4990665
5033390
516916
52786
5345
541
5516796

[1,1,1,2,3,1,5,10,6,1,14,36,31,10,1,42,137,156,75,
 15,1,132,544,787,510,155,21,1,429,2235,4017,3331,
 1380,287,28,1,1430,9445,20809,21405,11411,3255,
 490,36,1,4862,40876,109486,136921,90665,33390,
 6916,786,45,1,16796]