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A215628 as a simple table

na(n)
11
242
3345
41597
55436
615217
737148
881901
9166819
10318857
11578413
121004224
131679522
142719666
154281488
166574614
179875045
1814541308
1921033513
2029935679
2141981720
2258085511
2379375484
24107234235
25143343655
26189736131
27248852397
28323606650
29417459582
30534500016

[1,42,345,1597,5436,15217,37148,81901,166819,
 318857,578413,1004224,1679522,2719666,4281488,
 6574614,9875045,14541308,21033513,29935679,
 41981720,58085511,79375484,107234235,143343655,
 189736131,248852397,323606650,417459582,534500016]