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A196680 as a simple table

na(n)
14
220
358
4292
51235
65186
722461
896256
9413032
101780597
117673860
1233017186
13142219489
14612618957
152638803566
1611367909928
1748973948677
18210982341958
19908945163931
203915948771137
2116870934284560
2272684969189462

[4,20,58,292,1235,5186,22461,96256,413032,1780597,
 7673860,33017186,142219489,612618957,2638803566,
 11367909928,48973948677,210982341958,908945163931,
 3915948771137,16870934284560,72684969189462]