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A307889 as a simple table

na(n)
01
11
22
34
46
510
614
722
830
944
1058
1182
12106
13144
14182
15242
16302
17392
18482
19616
20750
21942
221134
231408
241682
252062
262442
272966
283490
294196
304902
315850
326798
338048
349298
3510940
3612582
3714706
3816830
3919570
4022310
4125800
4229290
4333722
4438154
4543720
4649286
4756260
4863234
4971890
5080546

[1,1,2,4,6,10,14,22,30,44,58,82,106,144,182,242,
 302,392,482,616,750,942,1134,1408,1682,2062,2442,
 2966,3490,4196,4902,5850,6798,8048,9298,10940,
 12582,14706,16830,19570,22310,25800,29290,33722,
 38154,43720,49286,56260,63234,71890,80546]