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A094297 as a simple table

na(n)
11
23
37
418
546
6120
7316
8840
92248
106048
1116336
1244256
13120160
14326784
15889792
162424960
176613120
1818043392
1949247488
20134450688
21367134208
221002645504
232738510848
247480215552
2520433258496
2655818559488
27152486858752

[1,3,7,18,46,120,316,840,2248,6048,16336,44256,
 120160,326784,889792,2424960,6613120,18043392,
 49247488,134450688,367134208,1002645504,
 2738510848,7480215552,20433258496,55818559488,
 152486858752]