A189498 - cp's OEIS frontend

A189498 T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of floor(x(i)/x(i+1)) equal to zero.

n	a(n)
1	0
2	2
3	4
4	6
5	12
6	0
7	12
8	38
9	42
10	12
11	20
12	78
13	152
14	136
15	0
16	30
17	148
18	462
19	928
20	550
21	40
22	42
23	240
24	1088
25	3388
26	4920
27	1892
28	0
29	56
30	380
31	2128
32	9394
33	24806
34	27508
35	7384
36	140
37	72
38	554
39	3850
40	22088
41	85480
42	182634
43	152358
44	26816
45	0
46	90
47	788
48	6474
49	45892
50	238836
51	787412

[0, 2, 4, 6, 12, 0, 12, 38, 42, 12, 20, 78, 152, 136, 0, 30, 148, 462, 928, 550, 40, 42, 240, 1088, 3388, 4920, 1892, 0, 56, 380, 2128, 9394, 24806, 27508, 7384, 140, 72, 554, 3850, 22088, 85480, 182634, 152358, 26816, 0, 90, 788, 6474, 45892, 238836, 787412]

cp's OEIS Frontend

A189498 T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of floor(x(i)/x(i+1)) equal to zero.

Table of values

List of values