login

A178517 as a simple table

na(n)
11
21
30
44
50
60
711
84
90
100
1136
1240
130
140
150
16117
17290
1848
190
200
210
22393
231785
241008
250
260
270
280
291339
309996
3112712
321440
330
340
350
360
374630
3852584
39123858
4048312
410
420
430
440
450
4616193
47264720
481027446
49904840
5080640
510
520
530
540
550
5657201
571290135
587627158
5912449800
603807936
610

[1,1,0,4,0,0,11,4,0,0,36,40,0,0,0,117,290,48,0,0,
 0,393,1785,1008,0,0,0,0,1339,9996,12712,1440,0,0,
 0,0,4630,52584,123858,48312,0,0,0,0,0,16193,
 264720,1027446,904840,80640,0,0,0,0,0,57201,
 1290135,7627158,12449800,3807936,0]