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A001875 as a simple table

na(n)
01
17
235
3140
4490
51554
64578
712720
833705
985855
10211519
11506408
121182650
132702350
146056850
1513343820
1628947240
1761926900
18130814600
19273163100
20564415390
211154933230
222342193350
234710707400
249401674275
2518629923053
2636670044621
2771728832280
28139485074370

[1,7,35,140,490,1554,4578,12720,33705,85855,
 211519,506408,1182650,2702350,6056850,13343820,
 28947240,61926900,130814600,273163100,564415390,
 1154933230,2342193350,4710707400,9401674275,
 18629923053,36670044621,71728832280,139485074370]