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A003456 as a simple table

na(n)
31
42
55
617
762
8275
91272
106225
1131075
12158376
13816229
144251412
1522319056
16117998524
17627573216
183355499036
1918025442261
2097239773408
21526560862829
222861189112867
2315595669996482
2485252072993968
25467247847612316
262567091151780343

[1,2,5,17,62,275,1272,6225,31075,158376,816229,
 4251412,22319056,117998524,627573216,3355499036,
 18025442261,97239773408,526560862829,
 2861189112867,15595669996482,85252072993968,
 467247847612316,2567091151780343]