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A291445 as a simple table

na(n)
11
22
36
412
530
678
7186
8414
9912
102064
114338
129798
1320106
1440974
1580196
16158322
17309414
18615558
191212402
202417136
214776654
229497508
2318726708
2437056150
2572946116
26144230640
27284660874
28564451830
291118803818
302224792026
314420041210
328791590168
3317456783136

[1,2,6,12,30,78,186,414,912,2064,4338,9798,20106,
 40974,80196,158322,309414,615558,1212402,2417136,
 4776654,9497508,18726708,37056150,72946116,
 144230640,284660874,564451830,1118803818,
 2224792026,4420041210,8791590168,17456783136]