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A261393 as a simple table

na(n)
00
11
22
34
44
55
68
713
88
97
1010
1114
1216
1317
1426
1540
1616
1711
1814
1916
2020
2119
2228
2341
2432
2525
2634
2744
2852
2953
3080
31121
3232
3319
3422
3520
3628
3723
3832
3943
4040
4129
4238
4346
4456
4555
4682
47122
4864
4941
5050
5152
5268
5361
5488
55125
56104
5779
58106
59134

[0,1,2,4,4,5,8,13,8,7,10,14,16,17,26,40,16,11,14,
 16,20,19,28,41,32,25,34,44,52,53,80,121,32,19,22,
 20,28,23,32,43,40,29,38,46,56,55,82,122,64,41,50,
 52,68,61,88,125,104,79,106,134]