login

A144228 as a simple table

na(n)
01
11
20
31
41
50
61
73
83
91
101
116
1215
1320
1415
151
1610
1745
18120
19210
20222
211
2215
23105
24455
251365
262913
273670
281
2921
30210
311330
325985
3320139
3449294
3568820
361
3728
38378
393276
4020475
4197860
42362670
43976560
441456875
451
4636
47630
487140
4958905
50376236
511914276
527663500
5322089870
5434506640

[1,1,0,1,1,0,1,3,3,1,1,6,15,20,15,1,10,45,120,210,
 222,1,15,105,455,1365,2913,3670,1,21,210,1330,
 5985,20139,49294,68820,1,28,378,3276,20475,97860,
 362670,976560,1456875,1,36,630,7140,58905,376236,
 1914276,7663500,22089870,34506640]