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A074392 as a simple table

na(n)
02
11
25
35
412
516
630
745
877
9121
10200
11320
12522
13841
141365
152205
163572
175776
189350
1915125
2024477
2139601
2264080
23103680
24167762
25271441
26439205
27710645
281149852
291860496
303010350
314870845
327881197
3312752041
3420633240
3533385280
3654018522

[2,1,5,5,12,16,30,45,77,121,200,320,522,841,1365,
 2205,3572,5776,9350,15125,24477,39601,64080,
 103680,167762,271441,439205,710645,1149852,
 1860496,3010350,4870845,7881197,12752041,20633240,
 33385280,54018522]