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A241574 as a simple table

na(n)
01
13
29
327
478
5222
6618
71686
84512
911856
1030624
1177856
12195072
13482304
141178112
152846208
166807552
1716134144
1837920768
1988449024
20204865536
21471465984
221078591488
232454061056
245555355648
2512516851712
2628078768128
2762732107776
28139619991552
29309640298496
30684409749504
311508036837376
323313030397952

[1,3,9,27,78,222,618,1686,4512,11856,30624,77856,
 195072,482304,1178112,2846208,6807552,16134144,
 37920768,88449024,204865536,471465984,1078591488,
 2454061056,5555355648,12516851712,28078768128,
 62732107776,139619991552,309640298496,
 684409749504,1508036837376,3313030397952]