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A280611 as a simple table

na(n)
01
12
24
36
410
514
624
734
852
970
10102
11134
12194
13254
14352
15450
16610
17770
181036
191302
201716
212130
222770
233410
244406
255402
266892
278382
2810600
2912818
3016120
3119422
3224216
3329010
3435932
3542854
3652832
3762810
3876944
3991078
40111008
41130938

[1,2,4,6,10,14,24,34,52,70,102,134,194,254,352,
 450,610,770,1036,1302,1716,2130,2770,3410,4406,
 5402,6892,8382,10600,12818,16120,19422,24216,
 29010,35932,42854,52832,62810,76944,91078,111008,
 130938]