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A177947 as a simple table

na(n)
01
11
21
31
44
51
61
78
88
91
101
1113
1222
1313
141
151
1619
1745
1845
1919
201
211
2226
2379
24110
2579
2626
271
281
2934
30126
31224
32224
33126
3434
351
361
3743
38188
39406
40518
41406
42188
4343
441
451
4653
47267
48678
491050
501050
51678
52267
5353
541

[1,1,1,1,4,1,1,8,8,1,1,13,22,13,1,1,19,45,45,19,1,
 1,26,79,110,79,26,1,1,34,126,224,224,126,34,1,1,
 43,188,406,518,406,188,43,1,1,53,267,678,1050,
 1050,678,267,53,1]