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A270809 as a simple table

na(n)
04
12
22
36
416
534
662
7102
8156
9226
10314
11422
12552
13706
14886
151094
161332
171602
181906
192246
202624
213042
223502
234006
244556
255154
265802
276502
287256
298066
308934
319862
3210852
3311906
3413026
3514214
3615472
3716802
3818206
3919686
4021244
4122882
4224602
4326406
4428296
4530274

[4,2,2,6,16,34,62,102,156,226,314,422,552,706,886,
 1094,1332,1602,1906,2246,2624,3042,3502,4006,4556,
 5154,5802,6502,7256,8066,8934,9862,10852,11906,
 13026,14214,15472,16802,18206,19686,21244,22882,
 24602,26406,28296,30274]