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A037753 as a simple table

na(n)
12
215
391
4546
53278
619671
7118027
8708162
94248974
1025493847
11152963083
12917778498
135506670990
1433040025943
15198240155659
161189440933954
177136645603726
1842819873622359
19256919241734155
201541515450404930

[2,15,91,546,3278,19671,118027,708162,4248974,
 25493847,152963083,917778498,5506670990,
 33040025943,198240155659,1189440933954,
 7136645603726,42819873622359,256919241734155,
 1541515450404930]