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A176501 as a simple table

na(n)
11
22
34
49
519
650
7122
8317
9837
102213
115758
1215236
1340028
14105079
15276627
16727409
171910685
185020094
1913180380
2034600740
2190814431
22238288480
23625111687
241639676484
254300183922
2611275936787
2729564497466
2877507123132
29203175049457
30532552499826
311395790412496

[1,2,4,9,19,50,122,317,837,2213,5758,15236,40028,
 105079,276627,727409,1910685,5020094,13180380,
 34600740,90814431,238288480,625111687,1639676484,
 4300183922,11275936787,29564497466,77507123132,
 203175049457,532552499826,1395790412496]