A190066 - cp's OEIS frontend

A190066 Number of arrangements of n+1 nonzero numbers x(i) in -4..4 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	12
2	76
3	483
4	3481
5	25306
6	191456
7	1436962
8	10802667
9	81709584
10	622881909
11	4769974211
12	36631166224
13	282173132213
14	2179898773167
15	16878487835945
16	130935467642770
17	1017555976447868
18	7920656405513158
19	61741451812499715

[12, 76, 483, 3481, 25306, 191456, 1436962, 10802667, 81709584, 622881909, 4769974211, 36631166224, 282173132213, 2179898773167, 16878487835945, 130935467642770, 1017555976447868, 7920656405513158, 61741451812499715]

cp's OEIS Frontend

A190066 Number of arrangements of n+1 nonzero numbers x(i) in -4..4 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