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A292617 as a simple table

na(n)
01
12
24
310
425
570
6209
7656
82137
97155
1024447
1184864
12298374
131060151
143800365
1513727145
1649910870
17182522747
18670896855
192477250003
209184502747
2134177467134
22127606759053
23477890336663
241794697782990
256757164079051
2625501212956975
2796450275088260

[1,2,4,10,25,70,209,656,2137,7155,24447,84864,
 298374,1060151,3800365,13727145,49910870,
 182522747,670896855,2477250003,9184502747,
 34177467134,127606759053,477890336663,
 1794697782990,6757164079051,25501212956975,
 96450275088260]