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A067996 as a simple table

na(n)
01
11
22
33
44
56
68
710
813
916
1021
1125
1231
1337
1444
1553
1662
1772
1884
1996
20113
21128
22147
23167
24189
25216
26243
27273
28307
29342
30386
31428
32477
33529
34585
35650
36716
37788
38867
39949
401046
411141
421248
431361
441481
451617
461755
471904
482065
492232
502424
512614
522824
533045
543278

[1,1,2,3,4,6,8,10,13,16,21,25,31,37,44,53,62,72,
 84,96,113,128,147,167,189,216,243,273,307,342,386,
 428,477,529,585,650,716,788,867,949,1046,1141,
 1248,1361,1481,1617,1755,1904,2065,2232,2424,2614,
 2824,3045,3278]