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A022916 as a simple table

na(n)
01
11
22
36
412
530
690
7210
8560
91680
104200
1111550
1234650
1390090
14252252
15756756
162018016
175717712
1817153136
1946558512
20133024320
21399072960
221097450640
233155170590
249465511770
2526293088250
2675957810500
27227873431500
28638045608200
291850332263780
305550996791340

[1,1,2,6,12,30,90,210,560,1680,4200,11550,34650,
 90090,252252,756756,2018016,5717712,17153136,
 46558512,133024320,399072960,1097450640,
 3155170590,9465511770,26293088250,75957810500,
 227873431500,638045608200,1850332263780,
 5550996791340]