login

A004173 as a simple table

na(n)
01
11
2-1
30
41
5-2
60
71
80
91
10-3
110
125
130
14-3
150
161
17-4
180
1914
200
21-28
220
2317
240
251
26-5
270
2830
290
30-126
310
32255
330
34-155
350
361
37-6
380
3955
400
41-396
420
431683
440
45-3410
460
472073
480
491
50-7
510
5291
530
54-1001
550
567293
570
58-31031
590
6062881
610
62-38227
630
641
65-8
660
67140
680

[1,1,-1,0,1,-2,0,1,0,1,-3,0,5,0,-3,0,1,-4,0,14,0,
 -28,0,17,0,1,-5,0,30,0,-126,0,255,0,-155,0,1,-6,0,
 55,0,-396,0,1683,0,-3410,0,2073,0,1,-7,0,91,0,
 -1001,0,7293,0,-31031,0,62881,0,-38227,0,1,-8,0,
 140,0]