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A151368 as a simple table

na(n)
01
10
22
33
412
540
6145
7560
82240
99156
1038724
11166320
12728508
133239808
1414595438
1566543477
16306511920
171424916064
186679435048
1931544500416
20149986398848
21717562911000
223452381033556
2316696661334496
2481136327037620
25396022179418240
261940898351416600
279548613568549380
2847143311987432240

[1,0,2,3,12,40,145,560,2240,9156,38724,166320,
 728508,3239808,14595438,66543477,306511920,
 1424916064,6679435048,31544500416,149986398848,
 717562911000,3452381033556,16696661334496,
 81136327037620,396022179418240,1940898351416600,
 9548613568549380,47143311987432240]