A190069 - cp's OEIS frontend

A190069 Number of arrangements of n+1 nonzero numbers x(i) in -7..7 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	42
2	366
3	4150
4	48491
5	599181
6	7737762
7	101530262
8	1333341624
9	17643516841
10	235162515839
11	3146321736755
12	42232649776342
13	568807797004946
14	7683091138249061
15	104022021281511319
16	1411291383524511348

[42, 366, 4150, 48491, 599181, 7737762, 101530262, 1333341624, 17643516841, 235162515839, 3146321736755, 42232649776342, 568807797004946, 7683091138249061, 104022021281511319, 1411291383524511348]

cp's OEIS Frontend

A190069 Number of arrangements of n+1 nonzero numbers x(i) in -7..7 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