A190075 - cp's OEIS frontend

A190075 Number of arrangements of 6 nonzero numbers x(i) in -n..n 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	550
3	5136
4	25306
5	88509
6	249119
7	599181
8	1291797
9	2542771
10	4665542
11	8142317
12	13502963
13	21463807
14	33185295
15	49745019
16	72458535
17	103375585
18	144707600
19	199040665
20	269251217
21	358360590
22	471257436
23	613624162
24	789275327
25	1002980959

[0, 550, 5136, 25306, 88509, 249119, 599181, 1291797, 2542771, 4665542, 8142317, 13502963, 21463807, 33185295, 49745019, 72458535, 103375585, 144707600, 199040665, 269251217, 358360590, 471257436, 613624162, 789275327, 1002980959]

cp's OEIS Frontend

A190075 Number of arrangements of 6 nonzero numbers x(i) in -n..n 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