login

A209561 as a simple table

na(n)
11
21
31
42
52
61
73
84
93
101
114
127
137
144
151
165
1711
1814
1911
205
211
226
2316
2425
2525
2616
276
281
297
3022
3141
3250
3341
3422
357
361
378
3829
3963
4091
4191
4263
4329
448
451
469
4737
4892
49154
50182
51154
5292
5337
549
551
5610
5746
58129
59246
60336
61336
62246
63129
6446
6510
661
6711
6856
69175
70375
71582
72672

[1,1,1,2,2,1,3,4,3,1,4,7,7,4,1,5,11,14,11,5,1,6,
 16,25,25,16,6,1,7,22,41,50,41,22,7,1,8,29,63,91,
 91,63,29,8,1,9,37,92,154,182,154,92,37,9,1,10,46,
 129,246,336,336,246,129,46,10,1,11,56,175,375,582,
 672]