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A076995 as a simple table

na(n)
14
26
310
418
535
669
7136
8270
9539
101077
112152
124303
138605
1417208
1534415
1668829
17137657
18275313
19550625
201101249
212202497
224404993
238809985
2417619969
2535239936
2670479871
27140959741
28281919481
29563838961
301127677921
312255355841

[4,6,10,18,35,69,136,270,539,1077,2152,4303,8605,
 17208,34415,68829,137657,275313,550625,1101249,
 2202497,4404993,8809985,17619969,35239936,
 70479871,140959741,281919481,563838961,1127677921,
 2255355841]