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A197229 as a simple table

na(n)
11
27
312
431
579
6186
7465
81131
92776
106803
1116663
1240842
13100065
14245207
15600844
161472287
173607663
188840098
1921661545
2053078827
21130062864
22318702387
23780939327
241913591746
254689011265
2611489821079
2728154333788
2868988586095
29169047687279

[1,7,12,31,79,186,465,1131,2776,6803,16663,40842,
 100065,245207,600844,1472287,3607663,8840098,
 21661545,53078827,130062864,318702387,780939327,
 1913591746,4689011265,11489821079,28154333788,
 68988586095,169047687279]