login

A159830 as a triangular array

1
-11
2-21
-36-31
7-1212-41
-1035-3020-51
31-60105-6030-61
-21217-210245-10542-71
204-168868-560490-16856-81
3071836-7562604-1260882-25272-91
281130709180-25206510-25201470-36090-101

A159830 as a square array

1-12-37-1031-212043072811
1-26-1235-60217-16818363070
1-312-30105-210868-7569180
1-420-60245-5602604-2520
1-530-105490-12606510
1-642-168882-2520
1-756-2521470
1-872-360
1-990
1-10
1
1-12-37-1031-212043072811
1-26-1235-60217-16818363070
1-312-30105-210868-7569180
1-420-60245-5602604-2520
1-530-105490-12606510
1-642-168882-2520
1-756-2521470
1-872-360
1-990
1-10
1