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A174247 as a simple table

na(n)
01
11
22
37
49
521
676
7104
8255
9936
101321
113327
1212250
1317682
1445200
15166420
16244431
17630586
182318863
193453662
208964527
2132909250
2249579091
23129250365
24473604092
25720390529
261884080667
276890849851
2810567693128
2927706723888
30101151927464
31156225285080
32410396361463

[1,1,2,7,9,21,76,104,255,936,1321,3327,12250,
 17682,45200,166420,244431,630586,2318863,3453662,
 8964527,32909250,49579091,129250365,473604092,
 720390529,1884080667,6890849851,10567693128,
 27706723888,101151927464,156225285080,
 410396361463]