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A033820 as a simple table

na(n)
01
11
23
32
44
510
65
79
815
935
1014
1124
1236
1356
14126
1542
1670
17100
18140
19210
20462
21132
22216
23300
24400
25540
26792
271716
28429
29693
30945
311225
321575
332079
343003
356435
361430
372288
383080
393920
404900
416160
428008
4311440
4424310
454862
467722
4710296
4812936
4915876
5019404

[1,1,3,2,4,10,5,9,15,35,14,24,36,56,126,42,70,100,
 140,210,462,132,216,300,400,540,792,1716,429,693,
 945,1225,1575,2079,3003,6435,1430,2288,3080,3920,
 4900,6160,8008,11440,24310,4862,7722,10296,12936,
 15876,19404]