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A209311 as a simple table

na(n)
1285
21302
31425
41820
52508
63640
73720
84845
94956
105016
115415
127125
137280
149100
159114
169912
1711685
1812255
1912740
2014508
2115105
2216815
2317385
2418200
2519095
2619824
2720235
2820805
2922134
3022515
3123655
3223660
3324021
3424738
3525365
3625480
3727075
3827588
3927645

[285,1302,1425,1820,2508,3640,3720,4845,4956,5016,
 5415,7125,7280,9100,9114,9912,11685,12255,12740,
 14508,15105,16815,17385,18200,19095,19824,20235,
 20805,22134,22515,23655,23660,24021,24738,25365,
 25480,27075,27588,27645]