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A299700 as a simple table

na(n)
11
22
33
42
515
63
7105
86
9105
1015
111155
125
1315015
1470
151001
1670
1717017
1835
19323323
207
21138567
22154
233187041
24231
253187041
266006
271062347
28858
2930808063
30715
31955049953
321430
33260468169
3412155
359116385915
3612155
37337306278855
38461890
398648878945
4046189
41354604036745
421939938
4315247973580035
44176358

[1,2,3,2,15,3,105,6,105,15,1155,5,15015,70,1001,
 70,17017,35,323323,7,138567,154,3187041,231,
 3187041,6006,1062347,858,30808063,715,955049953,
 1430,260468169,12155,9116385915,12155,
 337306278855,461890,8648878945,46189,354604036745,
 1939938,15247973580035,176358]