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A259647 as a simple table

na(n)
01
12
216
3294
410424
5635130
660535212
78378845734
81591416365520
9397329777218034
10126160335768212820
1149635257475383554590
1223694522124288261524984
1313490127107426613875639850
149029074877857980800375629500
157018229497764789751949369835030

[1,2,16,294,10424,635130,60535212,8378845734,
 1591416365520,397329777218034,126160335768212820,
 49635257475383554590,23694522124288261524984,
 13490127107426613875639850,
 9029074877857980800375629500,
 7018229497764789751949369835030]