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A114806 as a simple table

na(n)
01
11
22
33
44
55
66
77
88
99
1010
1122
1236
1352
1470
1590
16112
17136
18162
19190
20440
21756
221144
231610
242160
252800
263536
274374
285320
2912760
3022680
3135464
3251520
3371280
3495200
35123760
36157464
37196840
38484880
39884520
401418560
412112320
422993760
434093600

[1,1,2,3,4,5,6,7,8,9,10,22,36,52,70,90,112,136,
 162,190,440,756,1144,1610,2160,2800,3536,4374,
 5320,12760,22680,35464,51520,71280,95200,123760,
 157464,196840,484880,884520,1418560,2112320,
 2993760,4093600]