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A077999 as a simple table

na(n)
01
11
22
36
414
532
676
7180
8424
91000
102360
115568
1213136
1330992
1473120
15172512
16407008
17960256
182265536
195345088
2012610688
2129752448
2270195072
23165611520
24390727936
25921846016
262174915072
275131286016
2812106264064
2928562358272
3067387288576
31158987105280

[1,1,2,6,14,32,76,180,424,1000,2360,5568,13136,
 30992,73120,172512,407008,960256,2265536,5345088,
 12610688,29752448,70195072,165611520,390727936,
 921846016,2174915072,5131286016,12106264064,
 28562358272,67387288576,158987105280]