login

A180760 as a simple table

na(n)
10
20
30
40
51
60
70
81
91
100
110
122
131
142
150
160
173
182
192
203
210
220
235
243
259
263
275
280
290
308
317
3221
3321
347
358
360
370
3813
3914
4070
4186
4270
4314
4413
450
460
4721
4831
49207
50410
51410
52207
5331
5421
550
560
5734
5867
59658
601874
612986
621874
63658
6467
6534
660
670
6855
69148
702059
718840
7220205
7320205
748840
752059
76148

[0,0,0,0,1,0,0,1,1,0,0,2,1,2,0,0,3,2,2,3,0,0,5,3,
 9,3,5,0,0,8,7,21,21,7,8,0,0,13,14,70,86,70,14,13,
 0,0,21,31,207,410,410,207,31,21,0,0,34,67,658,
 1874,2986,1874,658,67,34,0,0,55,148,2059,8840,
 20205,20205,8840,2059,148]