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A248959 as a simple table

na(n)
01
13
29
327
436
572
6132
7240
8444
9816
101500
112760
125076
139336
1417172
1531584
1658092
17106848
18196524
19361464
20664836
211222824
222249124
234136784
247608732
2513994640
2625740156
2747343528
2887078324
29160162008
30294583860
31541824192
32996570060
331832978112

[1,3,9,27,36,72,132,240,444,816,1500,2760,5076,
 9336,17172,31584,58092,106848,196524,361464,
 664836,1222824,2249124,4136784,7608732,13994640,
 25740156,47343528,87078324,160162008,294583860,
 541824192,996570060,1832978112]