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A277659 as a simple table

na(n)
10
20
30
40
50
60
70
81
91
100
110
122
134
142
150
160
178
1847
1947
208
210
220
2328
24356
25988
26356
2728
280
290
3098
312928
3218754
3318754
342928
3598
360
370
38346
3923375
40376200
41853778
42376200
4323375
44346
450
460
471218
48189336
497393463
5041272404
5141272404
527393463
53189336
541218
550
560
574290

[0,0,0,0,0,0,0,1,1,0,0,2,4,2,0,0,8,47,47,8,0,0,28,
 356,988,356,28,0,0,98,2928,18754,18754,2928,98,0,
 0,346,23375,376200,853778,376200,23375,346,0,0,
 1218,189336,7393463,41272404,41272404,7393463,
 189336,1218,0,0,4290]