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A279488 as a simple table

na(n)
11
20
35
418
568
6235
7801
82678
98777
1028343
1190455
12285812
13895302
142783602
158598096
1626404831
1780671908
18245328807
19742945582
202241375512
216738536925
2220194613731
2360344058090
24179828931783
25534560389757
261585341579329
274691443265544

[1,0,5,18,68,235,801,2678,8777,28343,90455,285812,
 895302,2783602,8598096,26404831,80671908,
 245328807,742945582,2241375512,6738536925,
 20194613731,60344058090,179828931783,534560389757,
 1585341579329,4691443265544]