login

A147321 as a simple table

na(n)
11
21
31
41
51
61
73
87
916
1039
11109
12339
131359
146341
1532204
16186717
171250465
189543435
1982560858
20815884422
219279731421
22121699162939
231834559945393
2431585819621707

[1,1,1,1,1,1,3,7,16,39,109,339,1359,6341,32204,
 186717,1250465,9543435,82560858,815884422,
 9279731421,121699162939,1834559945393,
 31585819621707]