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A371491 as a simple table

na(n)
11
2249
36535
463737
5390501
61627215
75764459
816316665
942876109
1097234749
11214357551
12416521295
13815728525
141435350291
152551924035
164177066233
176975752529
1810676151141
1916983556183
2024889362237
2137670739565
2253375030199
2378310973115
24106629405775

[1,249,6535,63737,390501,1627215,5764459,16316665,
 42876109,97234749,214357551,416521295,815728525,
 1435350291,2551924035,4177066233,6975752529,
 10676151141,16983556183,24889362237,37670739565,
 53375030199,78310973115,106629405775]