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A072979 as a simple table

na(n)
11
21
32
45
59
628
746
8136
9288
10722
111238
124342
136818
1419146
1545026
16111698
17189506
18624930
191003942
203187170
216659438
2215815050
2327669542
2498100426
25166371218
26437756198
27972187194
282528368182
294258122302
3014644463794
3123160708398

[1,1,2,5,9,28,46,136,288,722,1238,4342,6818,19146,
 45026,111698,189506,624930,1003942,3187170,
 6659438,15815050,27669542,98100426,166371218,
 437756198,972187194,2528368182,4258122302,
 14644463794,23160708398]