login

A293500 as a simple table

na(n)
10
20
30
40
51
60
70
83
92
100
110
126
139
146
150
160
1710
1824
1936
2012
210
220
2315
2450
25120
26108
2728
280
290
3021
3190
32300
33480
34351
3556
360
370
3828
39147
40630
411500
422016
431053
44120
450
460
4736
48224
491176
503780
517750
528064
533240
54240
550
560
5745
58324
592016
608232
6123220
6238750
6332640
649720
65496
660

[0,0,0,0,1,0,0,3,2,0,0,6,9,6,0,0,10,24,36,12,0,0,
 15,50,120,108,28,0,0,21,90,300,480,351,56,0,0,28,
 147,630,1500,2016,1053,120,0,0,36,224,1176,3780,
 7750,8064,3240,240,0,0,45,324,2016,8232,23220,
 38750,32640,9720,496,0]