|
| |
|
|
A208974
|
|
Number of 7-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n.
|
|
1
|
|
|
|
2, 15, 87, 371, 1185, 3186, 7425, 15658, 30368, 55222, 95087, 156612, 248194, 380753, 567639, 825586, 1174510, 1638724, 2246594, 3032025, 4033918, 5298001, 6876080, 8828154, 11221516, 14133153, 17648642, 21864897, 26888831, 32840460, 39851308
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
| |
| |
|
|
