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A221266 as a simple table

na(n)
13
219
3141
41073
58203
662771
7480437
83677345
928147315
10215447091
111649090685
1212622590641
1396616760123
14739531104531
155660573328101
1643327576375905
17331641119361379
182538471829096403
1919430157634105069
20148723740543110065

[3,19,141,1073,8203,62771,480437,3677345,28147315,
 215447091,1649090685,12622590641,96616760123,
 739531104531,5660573328101,43327576375905,
 331641119361379,2538471829096403,
 19430157634105069,148723740543110065]