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A326962 as a simple table

na(n)
01
11
22
32
41
55
612
718
820
918
1015
1111
126
133
141
1515
1664
17166
18332
19566
20864
211214
221596
231975
242320
252600
262780
272842
282780
292600
302320
311979
321608
331238
34908
35626
36404
37246
38136
3969
4032
4112
424
431
4452
45340
461315
473895
489770
4921848
5044880
5186275
52157140

[1,1,2,2,1,5,12,18,20,18,15,11,6,3,1,15,64,166,
 332,566,864,1214,1596,1975,2320,2600,2780,2842,
 2780,2600,2320,1979,1608,1238,908,626,404,246,136,
 69,32,12,4,1,52,340,1315,3895,9770,21848,44880,
 86275,157140]