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A001504 as a simple table

na(n)
02
120
256
3110
4182
5272
6380
7506
8650
9812
10992
111190
121406
131640
141892
152162
162450
172756
183080
193422
203782
214160
224556
234970
245402
255852
266320
276806
287310
297832
308372
318930
329506
3310100
3410712
3511342
3611990
3712656
3813340
3914042
4014762
4115500
4216256
4317030

[2,20,56,110,182,272,380,506,650,812,992,1190,
 1406,1640,1892,2162,2450,2756,3080,3422,3782,4160,
 4556,4970,5402,5852,6320,6806,7310,7832,8372,8930,
 9506,10100,10712,11342,11990,12656,13340,14042,
 14762,15500,16256,17030]