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A123542 as a simple table

na(n)
41
515
610
71
870
9492
10690
11395
12105
1315
141
155040
1628595
1758905
1863990
1942392
2018732
215880
221330
23210
2421
251
2616800
27442680
282485920
296629056
3010684723
3111716068
329409806
335824980
342872317
351147576
36373156
3798112
3820475
393276

[1,15,10,1,70,492,690,395,105,15,1,5040,28595,
 58905,63990,42392,18732,5880,1330,210,21,1,16800,
 442680,2485920,6629056,10684723,11716068,9409806,
 5824980,2872317,1147576,373156,98112,20475,3276]