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A304414 as a simple table

na(n)
11
28
323
4103
5520
62671
713876
872399
9378321
101979531
1110361881
1254254622
13284118654
141487964150
157792975441
1640815315514
17213770499606
181119631248273
195864130051553
2030713754006040
21160865382297683
22842543809330756

[1,8,23,103,520,2671,13876,72399,378321,1979531,
 10361881,54254622,284118654,1487964150,7792975441,
 40815315514,213770499606,1119631248273,
 5864130051553,30713754006040,160865382297683,
 842543809330756]