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A056440 as a simple table

na(n)
11
21
32
44
55
618
715
860
980
10293
11295
122217
131777
149763
1520632
1658362
1779553
18600696
19567543
203671674
216935728
2223785615
2331017007
24246154210
25282456327
261357925621
272615206650
2811358502734

[1,1,2,4,5,18,15,60,80,293,295,2217,1777,9763,
 20632,58362,79553,600696,567543,3671674,6935728,
 23785615,31017007,246154210,282456327,1357925621,
 2615206650,11358502734]