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A127007 as a simple table

na(n)
11
21
34
45
516
682
7169
8541
92272
1017965
1144407
12201751
13801515
144890886
1552218595
16165519640
17835947970
184290442728
1924096524166
20179566203960
212739764737710
229938147178960
2360997160143920
24331360222255920
252154105076695000

[1,1,4,5,16,82,169,541,2272,17965,44407,201751,
 801515,4890886,52218595,165519640,835947970,
 4290442728,24096524166,179566203960,2739764737710,
 9938147178960,60997160143920,331360222255920,
 2154105076695000]