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A025237 as a simple table

na(n)
01
11
24
310
437
5121
6451
71639
86259
923923
1093502
11367852
121465003
135874103
1423740276
1596503554
16394542379
171620716251
186687296308
1927700303510
20115152607831
21480244735171
222008802728819
238425318166635
2435425680021397
25149296062114181
26630526903497706
272668194946794124
2811311786743536125

[1,1,4,10,37,121,451,1639,6259,23923,93502,367852,
 1465003,5874103,23740276,96503554,394542379,
 1620716251,6687296308,27700303510,115152607831,
 480244735171,2008802728819,8425318166635,
 35425680021397,149296062114181,630526903497706,
 2668194946794124,11311786743536125]