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A326793 as a simple table

na(n)
01
11
22
35
412
530
675
7188
8472
91186
102981
117494
1218842
1347376
14119126
15299545
16753220
171894018
184762640
1911976010
2030114592
2175725485
22190417684
23478820320
241204031670
253027633300
267613224740
2719144059492
2848139261637
29121050006438

[1,1,2,5,12,30,75,188,472,1186,2981,7494,18842,
 47376,119126,299545,753220,1894018,4762640,
 11976010,30114592,75725485,190417684,478820320,
 1204031670,3027633300,7613224740,19144059492,
 48139261637,121050006438]