A190077 - cp's OEIS frontend

A190077 Number of arrangements of 8 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	7584
3	162028
4	1436962
5	7843113
6	31391655
7	101530262
8	282859251
9	698197690
10	1570715217
11	3291688243
12	6460935664
13	12000071771
14	21412481203
15	36702670681
16	60642753250
17	97406905547
18	152416471950
19	232926480058
20	348492673798

[0, 7584, 162028, 1436962, 7843113, 31391655, 101530262, 282859251, 698197690, 1570715217, 3291688243, 6460935664, 12000071771, 21412481203, 36702670681, 60642753250, 97406905547, 152416471950, 232926480058, 348492673798]

cp's OEIS Frontend

A190077 Number of arrangements of 8 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