login

A215652 as a triangular array

1
11
-121
-2-331
9-8-641
-445-20-1051
-95-24135-40-1561
414-665-84315-70-2171
493312-2660-224630-112-2881
-1008844114904-7980-5041134-168-3691

A215652 as a square array

11-1-29-4-9541449-10088
12-3-845-24-6653312441
13-6-20135-84-266014904
14-10-40315-224-7980
15-15-70630-504
16-21-1121134
17-28-168
18-36
19
1
11-1-29-4-9541449-10088
12-3-845-24-6653312441
13-6-20135-84-266014904
14-10-40315-224-7980
15-15-70630-504
16-21-1121134
17-28-168
18-36
19
1