login

A216760 as a simple table

na(n)
11
21
31
42
51
62
75
84
94
105
1115
1234
1360
1434
1515
1652
17500
182957
192957
20500
2152
22203
2310900
24337731
251340534
26337731
2710900
28203
29877
30322768
3171786149
321842474893
331842474893
3471786149
35322768
36877
374140
3812297768
3924889021634

[1,1,1,2,1,2,5,4,4,5,15,34,60,34,15,52,500,2957,
 2957,500,52,203,10900,337731,1340534,337731,10900,
 203,877,322768,71786149,1842474893,1842474893,
 71786149,322768,877,4140,12297768,24889021634]