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A003274 as a simple table

na(n)
01
11
22
36
412
520
634
756
888
9136
10208
11314
12470
13700
141038
151534
162262
173330
184896
197192
2010558
2115492
2222724
2333324
2448860
2571630
26105002
27153912
28225594
29330650
30484618
31710270
321040980
331525660
342235994
353277040
364802768
377038832
3810315944
3915118786

[1,1,2,6,12,20,34,56,88,136,208,314,470,700,1038,
 1534,2262,3330,4896,7192,10558,15492,22724,33324,
 48860,71630,105002,153912,225594,330650,484618,
 710270,1040980,1525660,2235994,3277040,4802768,
 7038832,10315944,15118786]