A190071 - cp's OEIS frontend

A190071 T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.

n	a(n)
1	0
2	2
3	4
4	6
5	12
6	0
7	12
8	36
9	40
10	12
11	20
12	76
13	166
14	144
15	0
16	30
17	143
18	483
19	922
20	550
21	40
22	42
23	233
24	1126
25	3481
26	5136
27	1896
28	0
29	56
30	366
31	2276
32	9904
33	25306
34	28656
35	7584
36	140
37	72
38	536
39	4150
40	23400
41	88509
42	191456
43	162028
44	27328
45	0
46	90
47	760
48	6946
49	48491
50	249119
51	834717

[0, 2, 4, 6, 12, 0, 12, 36, 40, 12, 20, 76, 166, 144, 0, 30, 143, 483, 922, 550, 40, 42, 233, 1126, 3481, 5136, 1896, 0, 56, 366, 2276, 9904, 25306, 28656, 7584, 140, 72, 536, 4150, 23400, 88509, 191456, 162028, 27328, 0, 90, 760, 6946, 48491, 249119, 834717]

cp's OEIS Frontend

A190071 T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of div(x(i),x(i+1)), where div(a,b)=a/b produces the integer quotient implying a nonnegative remainder, equal to zero.

Table of values

List of values